{"title":"Buffer Tube Assembly Parts","description":"","products":[{"product_id":"tacfire-ar15-pistol-buffer-tube-wfoam","title":"TacFire AR-15 Pistol Buffer Tube w\/Foam Cover Matte Black Aluminum","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eTacFire Pistol Buffer Tube\u003c\/span\u003e\u003c\/strong\u003e is a pistol-style \u003cstrong\u003ebuffer tube assembly\u003c\/strong\u003e for the \u003cstrong\u003eAR-15 platform\u003c\/strong\u003e chambered in \u003cstrong\u003e.223\/5.56\u003c\/strong\u003e. It is \u003cstrong\u003eCNC machined from aluminum\u003c\/strong\u003e and finished in \u003cstrong\u003ematte black\u003c\/strong\u003e for a low-glare, durable surface that shrugs off the elements. This \u003cstrong\u003eambidextrous\u003c\/strong\u003e tube is \u003cstrong\u003eshock-proof and water-proof\u003c\/strong\u003e, making it a reliable drop-in component for hard-use AR-15 pistol builds.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMeasuring \u003cstrong\u003e7.25 inches\u003c\/strong\u003e long with a \u003cstrong\u003e1.25-inch outer diameter\u003c\/strong\u003e and \u003cstrong\u003e1-inch inner diameter\u003c\/strong\u003e, the TacFire pistol buffer tube ships with an included \u003cstrong\u003efoam pad cover\u003c\/strong\u003e on the rear to cushion the shooter's shoulder. At \u003cstrong\u003e4.4 ounces\u003c\/strong\u003e, it is a lightweight, no-fuss upgrade or replacement part for any AR-15 pistol project.\u003c\/span\u003e\u003c\/p\u003e","brand":"TacFire","offers":[{"title":"Default Title","offer_id":52668527247682,"sku":"146751","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_e4f6cdaf-53a4-45bc-a0a6-41a510ecbd05.png?v=1784783254"},{"product_id":"utg-buffer-tube-ar-15-mil-spec-6-position-bronze","title":"UTG BUFFER TUBE AR-15 MIL-SPEC 6-POSITION BRONZE","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eIntroducing the UTG Buffer Tube for AR-15, a Mil-Spec 6-Position Bronze component designed to enhance your rifle's performance and customization capabilities. Crafted with precision and durability in mind, this buffer tube provides a reliable foundation for your AR-15 build.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Mil-Spec design ensures compatibility with a wide range of accessories and stocks, allowing you to tailor your firearm to meet your specific needs. The 6-position adjustability offers versatility in length of pull, providing comfort and control during various shooting scenarios.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMade with high-quality materials and finished in a stylish bronze coating, the UTG Buffer Tube not only performs with excellence but also adds a touch of aesthetics to your rifle. Upgrade your AR-15 with this Mil-Spec 6-Position Buffer Tube from UTG, a trusted name in firearm accessories known for quality and innovation. Elevate your shooting experience and customization options with this reliable and stylish buffer tube.\u003c\/span\u003e\u003c\/p\u003e","brand":"UTG","offers":[{"title":"Default Title","offer_id":52668532621634,"sku":"CFSTLU001Z","price":27.97,"currency_code":"USD","in_stock":false}]},{"product_id":"standard-weight-ar-15-carbine-30-oz-buffer-acc0318","title":"Standard Weight AR-15 Carbine 3.0 oz. Buffer","description":"\u003ch1\u003eStandard Weight AR-15 Carbine 3.0 oz. Buffer\u003c\/h1\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis carbine length collapsible stock buffer assembly provides smoother function and helps to noticeably reduce felt recoil.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e3 oz.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e3.25\" long\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMatte black finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDrop-in installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFits AR-15\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Centerfire Systems","offers":[{"title":"Default Title","offer_id":52668546646338,"sku":"ACC0318","price":7.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__57359.1697569739.1280.1280.jpg?v=1774274222"},{"product_id":"dbst-ambi-loop-end-plate","title":"DoubleStar Ambidextrous Black Loop End Plate","description":"\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eAmbi Loop Endplate for AR15s provide the shooter with a loop on both sides of the receiver to mount a single point sling.\u003c\/span\u003e\u003c\/p\u003e","brand":"Double Star Corp.","offers":[{"title":"Default Title","offer_id":52668560671042,"sku":"ACC0112","price":9.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__39651__28438.1762292751.1280.1280.jpg?v=1774274236"},{"product_id":"aero-aprh100302c-enhance-pistol-buffer-tube","title":"Aero Precision APRH100302C Enhanced Buffer Tube Pistol AR-15, AR-10 Black 7075 T6 Aluminum","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAero's Enhanced Pistol Tube features a slot in the threads to allow use of a standard end-plate and castle nut. Fits standard AR15 and M5 (.308) lower receivers. *Note- no endplate, buffer, spring. Made in the USA.\u003c\/span\u003e\u003c\/p\u003e","brand":"Aero Precision","offers":[{"title":"Default Title","offer_id":52668565389634,"sku":"CFS128085","price":31.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/small-439597-14209337__85467.1702475374.1280.1280.jpg?v=1774274241"},{"product_id":"ar-15-castle-nut-for-carm4-buffer-tube-acc0256","title":"AR-15 Castle Nut for CAR\/M4 Buffer Tube","description":"\u003cdiv\u003e\n\u003ch1\u003eAR-15 Castle Nut for CAR\/M4 Buffer Tube\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMade in the USA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSteel\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFits Mil-spec\/commercial buffer tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"USA","offers":[{"title":"Default Title","offer_id":52668577939778,"sku":"ACC0256","price":3.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__87549.1697569733.1280.1280.jpg?v=1774274253"},{"product_id":"heavy-weight-ar-15-carbine-46-oz-buffer-acc0319","title":"Heavy Weight AR-15 Carbine 4.6 oz. Buffer","description":"\u003ch1\u003eHeavy Weight AR-15 Carbine 4.6 oz. Buffer\u003c\/h1\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis carbine length collapsible stock buffer assembly provides smoother function and helps to noticeably reduce felt recoil.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e4.6 oz.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e3.25\" long\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMatte black finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDrop-in installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFits AR-15\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Centerfire Systems","offers":[{"title":"Default Title","offer_id":52668583248194,"sku":"ACC0319","price":8.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__51687.1697569737.1280.1280.jpg?v=1774274259"},{"product_id":"caa-cbs-tube-6-position-buffer-tube","title":"CAA “CBS Tube” 6-Position Buffer Tube","description":"\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan class=\"s1\"\u003e\u003cstrong\u003eCAA CBS Tube\u003c\/strong\u003e\u003c\/span\u003e is precision machined from \u003cspan class=\"s1\"\u003e\u003cstrong\u003e6061-T6 aluminum\u003c\/strong\u003e\u003c\/span\u003e, finished in a deep \u003cspan class=\"s1\"\u003e\u003cstrong\u003eType III hard-coat anodize\u003c\/strong\u003e\u003c\/span\u003e, and cut to the true \u003cspan class=\"s1\"\u003e\u003cstrong\u003emil-spec outside diameter \u003c\/strong\u003e\u003c\/span\u003e— so every mil-spec butt-stock slides with the perfect no-rattle fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cspan class=\"s1\"\u003e\u003cstrong\u003eSix laser-indexed detents\u003c\/strong\u003e\u003c\/span\u003e give repeatable length-of-pull from CQB tight to armor long.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003eRolled receiver threads resist galling in forged or billet lowers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cspan class=\"s1\"\u003e\u003cstrong\u003eDrain ports\u003c\/strong\u003e\u003c\/span\u003e along the 6 o’clock clear water and grit from the action spring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWorks with any standard castle-nut \/ end-plate set or CAA’s low-profile TLRP lock-ring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CAA","offers":[{"title":"Default Title","offer_id":52668652749122,"sku":"CAA0197","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/IMG_6090__76608.1772040477.1280.1280.jpg?v=1774274327"},{"product_id":"caa-cbst-carbine-buffer-tube-spring","title":"CAA “CBST” Carbine Buffer Tube Spring","description":"\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMil-spec recoil spring designed for the 6-position collapsible stocks supplied in CAA’s CBST stock assemblies. It is a \u003cem\u003estandard power\u003c\/em\u003e carbine spring that matches U.S. M4 technical data.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe spring drops into any \u003cspan class=\"s1\"\u003e\u003cstrong\u003emil-spec 6-position receiver extension.\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003eReplace tired or mystery springs every 5–7k rounds to cure short-stroking, weak ejection or failure to lock back.\u003c\/span\u003e\u003c\/p\u003e","brand":"CAA","offers":[{"title":"Default Title","offer_id":52668654485826,"sku":"CAA0074","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/IMG_6164__33669.1778161104.1280.1280.jpg?v=1779201448"},{"product_id":"timber-arbtbl-ar-buffer-tube-black","title":"Timber Creek Outdoors ARBTBL Buffer Tube Mil-Spec 6-Position AR Platform Black Hardcoat Anodized Aluminum","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eTimber Creek Outdoors ARBTBL\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003eMil-Spec 6-position buffer tube\u003c\/strong\u003e engineered as a drop-in replacement or build component for \u003cstrong\u003eAR-15\u003c\/strong\u003e and \u003cstrong\u003eAR-10\/308\u003c\/strong\u003e lower receivers. CNC-machined from \u003cstrong\u003eaircraft grade billet aluminum\u003c\/strong\u003e, this carbine-length tube carries the standard Mil-Spec 1.148\" outer diameter so it accepts the full range of Mil-Spec carbine stocks, castle nuts, and end plates on the market.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFinished in \u003cstrong\u003eblack Type III hardcoat anodizing\u003c\/strong\u003e for long-lasting wear and corrosion resistance, the tube installs on any standard AR lower and provides six stock positions to dial in length of pull. Whether you are completing a new build or replacing a worn or upgraded unit, this Timber Creek Outdoors buffer tube gives you a clean, durable foundation for your rifle's stock and recoil system.\u003c\/span\u003e\u003c\/p\u003e","brand":"Timber Creek Outdoors","offers":[{"title":"Default Title","offer_id":52668692529474,"sku":"126971","price":31.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_e328d5e4-a216-432a-b8eb-2c9ab16062ef.png?v=1784786512"},{"product_id":"aim-sports-xdb15pstoc-buffer-tube-ar15m4-mil-spec-buffer-tube-ar15m4-mil-spec-black","title":"Aim Sports XDB15PSTOC Buffer Tube - Mil-Spec AR-15\/M4 Black Anodized","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eAim Sports XDB15PSTOC\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003eMil-Spec\u003c\/strong\u003e \u003cstrong\u003e6-position\u003c\/strong\u003e collapsible buffer tube designed for \u003cstrong\u003eAR-15\u003c\/strong\u003e and \u003cstrong\u003eM4\u003c\/strong\u003e platform builds. Measuring \u003cstrong\u003e7.25 inches\u003c\/strong\u003e in length and finished in a rugged \u003cstrong\u003eblack anodized\u003c\/strong\u003e coating, this carbine buffer tube provides the proper housing for your carbine buffer, action spring, and collapsible buttstock assembly. Built to standard Mil-Spec dimensions, it serves as a direct-fit replacement or upgrade component for any standard AR-15 or M4 lower receiver.\u003c\/span\u003e\u003c\/p\u003e","brand":"Aim Sports","offers":[{"title":"Default Title","offer_id":52668726542658,"sku":"52008","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_7fc921f5-8e3e-4e21-89d3-d9fd29957406.png?v=1784780651"},{"product_id":"tacfire-mar049b-ar15-pistol-buffer-tube-kit-with-dual-loop-end-plate-black-6061-t6-aluminum","title":"TacFire MAR049B Buffer Tube Kit Mil-Spec AR-15 Black Aluminum AR-Pistol Platform","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eTacFire's AR15 Pistol buffer tube kit features a dual loop end plate, Mil-Spec pistol buffer tube with foam insert, carbine length buffer spring and castle nut. This model has a black finish.\u003c\/span\u003e\u003c\/p\u003e","brand":"TacFire","offers":[{"title":"Default Title","offer_id":52668734341442,"sku":"104756","price":24.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__80544.1697572328.1280.1280.jpg?v=1774274408"},{"product_id":"si-ar-fws-p-ar-pstl-flatwire-spring","title":"Strike Industries ARFWSP AR Flat Wire Spring - Pistol Length","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eStrike Industries AR Flat Wire Spring (ARFWSP)\u003c\/span\u003e\u003c\/strong\u003e is a pistol-length buffer spring engineered for the \u003cstrong\u003eAR-15 platform\u003c\/strong\u003e. Machined from \u003cstrong\u003eCryo-Cycled 17-7 PH steel\u003c\/strong\u003e, this flat wire replacement spring stores more energy in a smaller footprint than a conventional round-wire spring, delivering longer service life and a noticeably smoother bolt cycle.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt a compact \u003cstrong\u003e10\" overall length\u003c\/strong\u003e with an \u003cstrong\u003e0.94\" outer diameter\u003c\/strong\u003e and \u003cstrong\u003e0.75\" inner diameter\u003c\/strong\u003e, the ARFWSP drops directly into any pistol-length AR buffer tube and is specifically designed to eliminate the audible \"AR twang\" that occurs when the bolt carrier runs back over a standard buffer spring. The flat wire profile packs more material into each coil for improved resistance to set and fatigue over thousands of cycles.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are building an AR-15 pistol, refreshing a worn-out spring, or just chasing a quieter and more reliable cycle, the Strike Industries AR Flat Wire Spring is a straightforward drop-in upgrade for any pistol-buffer setup.\u003c\/span\u003e\u003c\/p\u003e","brand":"Strike Industries","offers":[{"title":"Default Title","offer_id":52668735029570,"sku":"121347","price":13.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_409ed775-90ba-4a94-82a8-8cfafc943934.png?v=1784787544"},{"product_id":"angstadt-arms-aa09bufkit-buffer-kit","title":"Angstadt Arms AA09BUFKIT 5.4oz Buffer Kit 9mm Luger AR-15","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eAngstadt Arms AA09BUFKIT\u003c\/span\u003e\u003c\/strong\u003e is a complete \u003cstrong\u003e9mm AR-15 buffer kit\u003c\/strong\u003e that delivers every component needed to keep a pistol-caliber carbine cycling reliably. Built around a \u003cstrong\u003e5.4oz stainless steel carbine buffer\u003c\/strong\u003e measuring \u003cstrong\u003e3.25\"\u003c\/strong\u003e, this kit is engineered specifically for \u003cstrong\u003e9mm Luger\u003c\/strong\u003e AR-platform builds and is fully compatible with both \u003cstrong\u003eGlock\u003c\/strong\u003e and \u003cstrong\u003eColt\u003c\/strong\u003e pattern 9mm magazine systems.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe included \u003cstrong\u003e.75\" spacer\u003c\/strong\u003e brings the installed length to \u003cstrong\u003e4\"\u003c\/strong\u003e, while the \u003cstrong\u003eorange bumper\u003c\/strong\u003e provides consistent cycling contact inside the buffer tube. 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CAR buffer and buffer spring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e6-position buffer tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEnd plate\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCastle nut\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TacFire","offers":[{"title":"Default Title","offer_id":52668999991618,"sku":"130070","price":24.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/small-455787-14199443__18481.1704202352.1280.1280.jpg?v=1774274705"},{"product_id":"advanced-technology-a5101020-ar-15-castle-nut-mil-spec-steel-black","title":"Advanced Technology A5101020 AR-15 Castle Nut Mil-Spec Steel Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eAdvanced Technology A5101020\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003eMil-Spec AR-15 castle nut\u003c\/strong\u003e machined from \u003cstrong\u003esteel\u003c\/strong\u003e and finished in a low-gloss \u003cstrong\u003eblack\u003c\/strong\u003e coating. Built to true Mil-Spec dimensions, this castle nut is virtually indestructible under the repeated torque demands of stock and buffer-tube service, making it an ideal drop-in replacement for a worn or stripped factory nut.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe A5101020 is designed to \u003cstrong\u003ework with commercial, military, and hybrid buffer tubes\u003c\/strong\u003e, giving AR-15 builders flexibility across a wide range of lower receivers and buttstock combinations. It fits most \u003cstrong\u003eAR-15s and AR variants\u003c\/strong\u003e, though it is \u003cstrong\u003enot compatible with 308 rifles\u003c\/strong\u003e. The castle nut is the small but critical component that locks the buffer tube, buttstock, and endplate to the lower receiver, so upgrading it to a rugged Mil-Spec steel piece is a smart move for both build projects and field repairs.\u003c\/span\u003e\u003c\/p\u003e","brand":"Advanced Technology","offers":[{"title":"Default Title","offer_id":52669005332802,"sku":"92322","price":7.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_b32c07ad-1d65-4980-bbf3-15cb2f50b753.png?v=1784780704"},{"product_id":"geissele-automatics-05-495-super-42-buffer-spring-and-buffer-combo-ar-15-steel","title":"Geissele Automatics 05-495 Super 42 Buffer Spring and Buffer Combo AR-15 Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Geissele Super 42 Spring was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique spring design uses three independent strands of wire, just like the German MG42 Machine Gun. This concept acts as a harmonic damper and energy absorber by allowing the springs to flex separately from each other. This flex helps displace excess energy which decreases the chance of spring failure and assists with making your AR-15 more reliable.\u003c\/span\u003e\u003c\/p\u003e","brand":"Geissele Automatics","offers":[{"title":"Default Title","offer_id":52669036855618,"sku":"CFS37432","price":64.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/opplanet-geissele-super-42-braided-wire-buffer-spring-combo-05-495-main__47789.1703878422.1280.1280.jpg?v=1774274782"},{"product_id":"e3-arms-omega-15-ar-15-improved-gen-ii-complete-lower-receiver-with-aluminum-buffer-tube-rec0106","title":"E3 Arms Omega 15 AR-15 Improved Gen II Complete Lower Receiver with Aluminum Buffer Tube","description":"\u003ch1\u003eE3 Arms Omega 15 AR-15 Improved Gen II Complete Lower Receiver with Aluminum Buffer Tube\u003c\/h1\u003e\n\n\u003cp\u003eThis updated E3 Arms Omega 15 complete lower receiver features an aluminum buffer tube, an improved ergonomic grip with trap door and a tactical buttstock with a quick detach sling swivel attachment port. (Sling swivel is not included.)\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eMulti-caliber\u003c\/li\u003e\n\t\u003cli\u003eManufactured from premium polymer\u003c\/li\u003e\n\t\u003cli\u003eComplete lower receiver\u003c\/li\u003e\n\t\u003cli\u003eIncludes aluminum buffer tube\u003c\/li\u003e\n\t\u003cli\u003eWinter\/over-sized trigger guard\u003c\/li\u003e\n\t\u003cli\u003eMagazine not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBased off a billet aluminum design\u003c\/li\u003e\n\t\u003cli\u003eReinforced in all areas of concern\u003c\/li\u003e\n\t\u003cli\u003eStrongest available on the market\u003c\/li\u003e\n\t\u003cli\u003eHas an internal pocket radius in the GEN 2 design toward the rear of the trigger which eliminated the back strap from breaking\u003c\/li\u003e\n\t\u003cli\u003eThis receiver has a reinforced water line\u003c\/li\u003e\n\t\u003cli\u003eImpervious to gasoline, acid, acetone, kerosene, and will not break after being dunked in liquid nitrogen and thrown onto a concrete floor, unlike aluminum which will shatter\u003c\/li\u003e\n\t\u003cli\u003eCan handle up to 500 degrees\u003c\/li\u003e\n\t\u003cli\u003eUnlike aluminum receivers, it will not get too hot to touch\u003c\/li\u003e\n\t\u003cli\u003eLighter than aluminum (can be run over at the mag-well and will not be crushed, unlike an aluminum receiver)\u003c\/li\u003e\n\t\u003cli\u003eRetains color when scratched (scratches can be removed with WD-40 and a green scratch pad)\u003c\/li\u003e\n\t\u003cli\u003eFire controls require no lubrication\u003c\/li\u003e\n\t\u003cli\u003eThe castle nuts do not need to be torqued or staked as they are factory torqued with blue Loctite, and will not come loose\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Centerfire Systems","offers":[{"title":"Default Title","offer_id":52669037216066,"sku":"REC0106","price":100.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__42709.1697572350.1280.1280.jpg?v=1774274783"},{"product_id":"e3-arms-omega-15-ar-15-improved-gen-ii-complete-lower-receiver-with-polymer-buffer-tube-rec0107","title":"E3 Arms Omega 15 AR-15 Improved Gen II Complete Lower Receiver with Polymer Buffer Tube","description":"\u003ch1\u003eE3 Arms Omega 15 AR-15 Improved Gen II Complete Lower Receiver with Polymer Buffer Tube\u003c\/h1\u003e\n\n\u003cp\u003eThis updated E3 Arms Omega 15 complete lower receiver features an aluminum buffer tube, an improved ergonomic grip with trap door and a tactical buttstock with a quick detach sling swivel attachment port. (Sling swivel is not included.)\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eMulti-caliber\u003c\/li\u003e\n\t\u003cli\u003eManufactured from premium polymer\u003c\/li\u003e\n\t\u003cli\u003eComplete lower receiver\u003c\/li\u003e\n\t\u003cli\u003eIncludes polymer buffer tube\u003c\/li\u003e\n\t\u003cli\u003eWinter\/over-sized trigger guard\u003c\/li\u003e\n\t\u003cli\u003eMagazine not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBased off a billet aluminum design\u003c\/li\u003e\n\t\u003cli\u003eReinforced in all areas of concern\u003c\/li\u003e\n\t\u003cli\u003eStrongest available on the market\u003c\/li\u003e\n\t\u003cli\u003eHas an internal pocket radius in the GEN 2 design toward the rear of the trigger which eliminated the back strap from breaking\u003c\/li\u003e\n\t\u003cli\u003eThis receiver has a reinforced water line\u003c\/li\u003e\n\t\u003cli\u003eImpervious to gasoline, acid, acetone, kerosene, and will not break after being dunked in liquid nitrogen and thrown onto a concrete floor, unlike aluminum which will shatter\u003c\/li\u003e\n\t\u003cli\u003eCan handle up to 500 degrees\u003c\/li\u003e\n\t\u003cli\u003eUnlike aluminum receivers, it will not get too hot to touch\u003c\/li\u003e\n\t\u003cli\u003eLighter than aluminum (can be run over at the mag-well and will not be crushed, unlike an aluminum receiver)\u003c\/li\u003e\n\t\u003cli\u003eRetains color when scratched (scratches can be removed with WD-40 and a green scratch pad)\u003c\/li\u003e\n\t\u003cli\u003eFire controls require no lubrication\u003c\/li\u003e\n\t\u003cli\u003eThe castle nuts do not need to be torqued or staked as they are factory torqued with blue Loctite, and will not come loose\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"E3 Arms","offers":[{"title":"Default Title","offer_id":52669046423874,"sku":"REC0107","price":98.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__74805.1697572346.1280.1280.jpg?v=1774274806"},{"product_id":"double-star-a2-buffer-tube-9-625-for-ar-15","title":"DOUBLE STAR A2 BUFFER TUBE 9.625\" FOR AR-15","description":"\u003cp\u003e\u003cspan style=\"font-size: 12pt;\"\u003eThe DOUBLE STAR A2 Buffer Tube is a high-quality component designed for use with AR-15\/M-16 rifles. This buffer tube measures 9.625 inches in length and is constructed from durable materials to withstand the rigors of shooting and handling. It provides a reliable platform for the buffer and recoil spring, ensuring smooth cycling and consistent performance. Whether you're building a new rifle or upgrading an existing one, the DOUBLE STAR A2 Buffer Tube is an excellent choice for enthusiasts and professionals alike.\u003c\/span\u003e\u003c\/p\u003e","brand":"Double Star Corp.","offers":[{"title":"Default Title","offer_id":52669137781058,"sku":"ACC2026","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/IMG_9171__39582.1778077549.1280.1280.jpg?v=1779201301"},{"product_id":"doublestar-commercial-diameter-six-position-receiver-extension-buffer-tube","title":"DoubleStar Commercial Diameter Six-Position Receiver Extension Buffer Tube","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Double Star M4 BUFFER TUBE-COMMERCIAL is a high-quality buffer tube designed for AR-15 and similar style firearms. Made from durable materials, this commercial-spec buffer tube is built to withstand heavy use and provide reliable performance. It features precise machining for a snug fit and compatibility with a wide range of stocks and accessories. Upgrade your rifle with the Double Star M4 BUFFER TUBE-COMMERCIAL for enhanced stability and functionality.\u003c\/span\u003e\u003c\/p\u003e","brand":"Double Star Corp.","offers":[{"title":"Default Title","offer_id":52669137879362,"sku":"ACC2028","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/ar355-1__82464.1709654198.1280.1280.png?v=1774274908"},{"product_id":"doublestar-mil-spec-diameter-six-position-receiver-extension-buffer-tube","title":"DoubleStar Mil-Spec Diameter Six-Position Receiver Extension Buffer Tube","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Double Star M4 BUFFER TUBE mil-spec is a high-quality buffer tube designed for use in AR-15\/M4-style rifles. Made to strict mil-spec standards, this buffer tube ensures optimal fit and function with your firearm. Constructed from durable materials, it provides reliable performance and longevity even under heavy use. The M4 BUFFER TUBE features a sleek, low-profile design and is compatible with a variety of stock options, allowing for customization to suit your preferences. Whether you're building a new rifle or upgrading an existing one, the Double Star M4 BUFFER TUBE mil-spec is an essential component for a dependable and functional firearm.\u003c\/span\u003e\u003c\/p\u003e","brand":"Double Star Corp.","offers":[{"title":"Default Title","offer_id":52669137977666,"sku":"ACC2030","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/IMG_9169__32175.1761658714.1280.1280.jpg?v=1774274909"},{"product_id":"doublestar-ar-twang-buster","title":"DoubleStar AR Twang Buster","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe Twang Buster from DoubleStar is an accurately named part that removes the annoying “twang” from the buffer tube. Historically known in rifle length tubes, the Twang Buster goes on the opposite end of the buffer spring to provide a sound dampener for the rear of your firearm. Just snap it in and no more twang. It’s the part you didn’t know you needed and will change the way you feel about firing your AR. Order yours now!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e*Depending on QC, some collapsible buffer tubes are slightly shallower which will not allow the bolt to lock to the rear when Twang Buster is installed. This part was designed to work with \u003cstrong\u003eRIFLE BUFFER TUBES\u003c\/strong\u003e. It will work with most collapsible tubes, but not all.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Double Star Corp.","offers":[{"title":"Default Title","offer_id":52669141582146,"sku":"ACC2045","price":4.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/jt140-1_2_1__66606.1709659513.1280.1280.png?v=1774274914"},{"product_id":"maxim-defense-cqb-ar-9-9mm-luger-roller-delayed-buffer-system","title":"Maxim Defense CQB AR-9 9mm Luger Roller Delayed Buffer System","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eMaxim Defense CQB Roller Delayed Blowback System Buffer\u003c\/strong\u003e\u003c\/span\u003e is a buffer-system upgrade for most \u003cstrong\u003eAR-15 and AR-9 configurations\u003c\/strong\u003e chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e9mm Luger\u003c\/strong\u003e\u003c\/span\u003e. It is designed to convert a conventional straight-blowback setup to roller-delayed blowback operation.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eIts \u003cstrong\u003eroller-locking mechanism\u003c\/strong\u003e delays bolt opening until chamber pressure has dropped. Compared with ordinary straight-blowback operation, this design provides \u003cstrong\u003esmoother cycling\u003c\/strong\u003e and \u003cstrong\u003ereduced felt recoil\u003c\/strong\u003e. The system is constructed from \u003cstrong\u003esteel\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e\u003c\/span\u003e This \u003cstrong\u003eCQB-length\u003c\/strong\u003e version works only with \u003cstrong\u003eMaxim Defense CQB-length buffer tubes\u003c\/strong\u003e. This listing includes the \u003cstrong\u003eCQB-length roller-delayed buffer system only\u003c\/strong\u003e; a compatible CQB buffer tube and other firearm components are not included.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis component is offered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew\u003c\/strong\u003e\u003c\/span\u003e condition. Published listing dimensions are \u003cstrong\u003e8.5\" long x 2.1\" wide x 1.8\" high\u003c\/strong\u003e; these figures should not be treated as installed firearm dimensions.\u003c\/span\u003e\u003c\/p\u003e","brand":"Maxim Defense","offers":[{"title":"Default Title","offer_id":54988231246146,"sku":"159420","price":168.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_c675163b-c89b-4d06-942c-36d8c94e8a95.png?v=1784129064"},{"product_id":"armaspec-srs-h2-gen-4-ar-15-6-position-buffer-tube-kit","title":"Armaspec SRS-H2 Gen 4 AR-15 6-Position Buffer Tube Kit","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eArmaspec SRS-H2 Gen 4 AR-15 Buffer Tube Kit\u003c\/strong\u003e\u003c\/span\u003e is a complete buffer-tube and recoil-system assembly for \u003cstrong\u003eAR-15-pattern firearms\u003c\/strong\u003e. It provides the receiver extension hardware used to mount a stock assembly and replaces a conventional buffer and spring with Armaspec's \u003cstrong\u003eself-contained, multi-stage SRS-H2 recoil system\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe kit includes the \u003cstrong\u003eSRS Gen 4 H2 recoil system\u003c\/strong\u003e, a \u003cstrong\u003esix-position mil-spec buffer tube\u003c\/strong\u003e, \u003cstrong\u003eend plate\u003c\/strong\u003e, and \u003cstrong\u003ecastle nut\u003c\/strong\u003e. The buffer tube is made from \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e, while the end plate and castle nut are \u003cstrong\u003esteel\u003c\/strong\u003e. All components have a \u003cstrong\u003ematte black finish\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe H2 configuration has a \u003cstrong\u003e4.7 oz equivalent buffer weight\u003c\/strong\u003e, and the complete kit weighs \u003cstrong\u003e7.4 oz\u003c\/strong\u003e. Its enclosed recoil assembly prevents the spring from rubbing against the buffer tube's inner wall, while the system's second stage is designed to reduce felt recoil.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis buffer tube kit is offered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew Condition\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Armaspec","offers":[{"title":"Default Title","offer_id":54988231278914,"sku":"188241","price":94.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_1840273c-6e7d-49bc-9488-dee601790099.png?v=1784129075"},{"product_id":"armaspec-srs-9-gen-4-9mm-ar-9-6-position-buffer-tube-kit-black","title":"Armaspec SRS-9 Gen 4 9mm AR-9 6-Position Buffer Tube Kit - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eArmaspec SRS-9 Gen 4\u003c\/strong\u003e\u003c\/span\u003e is a buffer-tube and recoil-system kit configured for \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e9mm Luger\u003c\/strong\u003e\u003c\/span\u003e \u003cstrong\u003eAR-9 and AR-15-pattern firearms\u003c\/strong\u003e that use a carbine-length buffer tube. It combines the stock-mounting tube and required receiver hardware with Armaspec's self-contained recoil assembly, replacing a conventional separate buffer and spring.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe kit includes an \u003cstrong\u003eSRS-9 Gen 4 captured multistage recoil assembly\u003c\/strong\u003e, a \u003cstrong\u003emil-spec six-position buffer tube\u003c\/strong\u003e, a \u003cstrong\u003esteel castle nut\u003c\/strong\u003e, and a \u003cstrong\u003esteel receiver end plate\u003c\/strong\u003e. The buffer tube is machined from \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e, while the complete assembly has a \u003cstrong\u003eblack matte finish\u003c\/strong\u003e. The SRS-9 provides a \u003cstrong\u003e6.4-ounce equivalent buffer weight\u003c\/strong\u003e, and the complete Gen 4 recoil system with its stainless-steel weight is listed at \u003cstrong\u003e9.5 ounces\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eIts captured design keeps the spring from rubbing against the inside of the buffer tube and maintains the buffer mass under tension against the bolt carrier. The multistage system uses a second stage to reduce felt recoil. Gen 4 construction omits the earlier weight O-ring, secures the polymer end piece with a roll pin rather than a screw, and uses a machined rod cap and washer in place of the previous snap-ring arrangement.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe SRS-9 can be installed with or without a buffer retainer. For proper operation in a 9mm build, the removable weight at the rear of the 9mm bolt carrier must be removed. Bolt carriers with rear openings smaller than \u003cstrong\u003e0.60 inch\u003c\/strong\u003e are not compatible.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMade in the \u003cstrong\u003eUSA\u003c\/strong\u003e, this kit is offered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew Condition\u003c\/strong\u003e\u003c\/span\u003e and includes the core buffer-tube, recoil-system, and receiver-mounting components listed above.\u003c\/span\u003e\u003c\/p\u003e","brand":"Armaspec","offers":[{"title":"Default Title","offer_id":54988245074242,"sku":"188244","price":94.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_0d90fe02-d7cc-45b1-aa30-f463818afc3b.png?v=1784129488"},{"product_id":"kynshot-rb5001-ar-15-fixed-stock-hydraulic-buffer-stainless","title":"Kynshot RB5001 AR-15 Fixed Stock Hydraulic Buffer - Stainless","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eKynshot RB5001 hydraulic recoil buffer\u003c\/strong\u003e\u003c\/span\u003e is a direct drop-in replacement for AR-15 rifles equipped with \u003cstrong\u003eMil-Spec rifle-length A1 or A2 fixed-stock buffer tubes\u003c\/strong\u003e. It is intended primarily for rifles chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e223 Remington and 5.56x45mm NATO\u003c\/strong\u003e\u003c\/span\u003e and works with a \u003cstrong\u003estandard rifle buffer spring\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe RB5001 uses a \u003cstrong\u003esealed hydraulic cylinder\u003c\/strong\u003e to absorb energy from the bolt carrier's rearward movement. This moderates bolt speed and bolt bounce during chambering. Its body is made from \u003cstrong\u003ehigh-strength 17-4 stainless steel\u003c\/strong\u003e with a \u003cstrong\u003esilver stainless finish\u003c\/strong\u003e, a \u003cstrong\u003enickel-plated cylinder rod\u003c\/strong\u003e, a \u003cstrong\u003ehigh-impact striker cap\u003c\/strong\u003e, and \u003cstrong\u003eMil-Spec hydraulic fluid and seals\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned for fixed-stock tubes with a \u003cstrong\u003e9.5\" internal depth\u003c\/strong\u003e, the buffer measures \u003cstrong\u003e6.31\" long\u003c\/strong\u003e, \u003cstrong\u003e5.88\" when compressed\u003c\/strong\u003e, and \u003cstrong\u003e0.70\" in diameter\u003c\/strong\u003e. It weighs \u003cstrong\u003e8.3 oz\u003c\/strong\u003e. Kynshot also lists compatibility with \u003cstrong\u003e300 Blackout, 6.8 SPC, 6.5 Grendel, .204-caliber AR cartridges, 458 SOCOM, and 450 Bushmaster\u003c\/strong\u003e. This model is \u003cstrong\u003enot intended for 9mm pistol-caliber carbines\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eKynshot reports at least a \u003cstrong\u003e30% reduction in felt recoil\u003c\/strong\u003e along with reduced muzzle rise, bolt bounce, optic vibration, and component wear. The RB5001 is rated for \u003cstrong\u003efully automatic firearms\u003c\/strong\u003e and has a certified operating range of \u003cstrong\u003e-30°F to 150°F\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew Condition\u003c\/strong\u003e\u003c\/span\u003e RB5001 is a purpose-built recoil-management upgrade for compatible fixed-stock AR-15 configurations.\u003c\/span\u003e\u003c\/p\u003e","brand":"Kynshot","offers":[{"title":"Default Title","offer_id":54988268699970,"sku":"179165","price":134.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_11e6cdac-492c-4400-978d-86cfe6c156de.png?v=1784130469"},{"product_id":"kynshot-rb5007-9mm-ar-pcc-hydraulic-recoil-buffer-stainless-steel","title":"Kynshot RB5007 9mm AR PCC Hydraulic Recoil Buffer - Stainless Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eKynshot RB5007 Hydraulic Recoil Buffer\u003c\/span\u003e\u003c\/strong\u003e is a drop-in recoil-system component for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e9mm\u003c\/span\u003e\u003c\/strong\u003e AR-style pistol-caliber carbines using a Mil-Spec carbine buffer tube with a \u003cstrong\u003e7-inch internal depth\u003c\/strong\u003e. It is intended for unsuppressed 9mm PCC builds with \u003cstrong\u003e3.5- to 7.5-inch barrels\u003c\/strong\u003e and common 9mm ammunition.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBuilt from \u003cstrong\u003e17-4 PH stainless steel\u003c\/strong\u003e with a \u003cstrong\u003esilver stainless-steel exterior\u003c\/strong\u003e, the RB5007 uses a hydraulic design to absorb the bolt carrier's rearward energy. Kynshot designed it to reduce recoil impulse and bolt bounce, smooth cycling, and stop the bolt just behind the bolt catch.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis buffer measures \u003cstrong\u003e3.9 inches compressed\u003c\/strong\u003e and weighs \u003cstrong\u003e6 oz\u003c\/strong\u003e. The standard-resistance RB5007 is not recommended for lightened bolts or short-stroke systems.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew Condition\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Kynshot","offers":[{"title":"Default Title","offer_id":54988405506370,"sku":"179170","price":116.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_becdc14c-688e-45ba-a553-162da578e6e6.png?v=1784133091"},{"product_id":"armaspec-srs-ar-15-gen-4-c-h-h2-stealth-recoil-spring-kit","title":"Armaspec SRS AR-15 Gen 4 C\/H\/H2 Stealth Recoil Spring Kit","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eArmaspec SRS AR15-KIT Gen 4\u003c\/strong\u003e\u003c\/span\u003e is a self-contained, captured multi-stage recoil and buffer-spring system for \u003cstrong\u003eAR-15\u003c\/strong\u003e firearms with a \u003cstrong\u003ecarbine-length buffer tube\u003c\/strong\u003e. It installs as a drop-in replacement for a conventional buffer and spring.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe system comes assembled in the \u003cstrong\u003eC\/carbine configuration\u003c\/strong\u003e and includes interchangeable \u003cstrong\u003eH\u003c\/strong\u003e and \u003cstrong\u003eH2 weights\u003c\/strong\u003e for cycling adjustment. Equivalent buffer weights are \u003cstrong\u003e3.3 oz\u003c\/strong\u003e for C, \u003cstrong\u003e3.8 oz\u003c\/strong\u003e for H, and \u003cstrong\u003e4.7 oz\u003c\/strong\u003e for H2. 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This \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew\u003c\/strong\u003e\u003c\/span\u003e \u003cstrong\u003eMade in USA\u003c\/strong\u003e Gen 4 version does not use an O-ring on the weight.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe SRS may be installed with or without the firearm's buffer retainer. For proper fit, the bolt carrier must have a rear opening greater than \u003cstrong\u003e0.60 in\u003c\/strong\u003e; carriers with openings below that dimension are not compatible. During installation, orient the polymer bumper toward the rear of the firearm and the weight mass toward the bolt carrier. 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It allows the buffer weight to be tailored for tuning recoil impulse and cycling.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eIts \u003cstrong\u003ered aluminum buffer body\u003c\/strong\u003e is paired with interchangeable \u003cstrong\u003ealuminum, stainless steel, and tungsten weights\u003c\/strong\u003e. Rearrange the included weights to customize the buffer's total weight for the needs of an AR-15 rifle setup.\u003c\/span\u003e\u003c\/p\u003e","brand":"Odin Works","offers":[{"title":"Default Title","offer_id":54988440895810,"sku":"166559","price":82.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_677c4b62-5c7f-4b02-9a3c-bc9d8c26175e.png?v=1784136584"},{"product_id":"maxim-defense-carbine-9mm-roller-delayed-buffer-system","title":"Maxim Defense AR-9 9mm Luger Carbine Roller Delayed Buffer System","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eMaxim Defense Roller Delayed Blowback System Buffer\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003ecarbine-length\u003c\/strong\u003e drop-in buffer system for \u003cstrong\u003eAR-9\u003c\/strong\u003e builds chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e9mm Luger\u003c\/span\u003e\u003c\/strong\u003e. It replaces the existing buffer and spring in compatible buffer tubes and fits most \u003cstrong\u003emil-spec AR-15 and AR-9 buffer tubes\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBuilt from \u003cstrong\u003esteel\u003c\/strong\u003e, this system uses a roller-delayed locking mechanism that delays bolt opening until chamber pressure has dropped. It converts a straight-blowback AR-9 to roller-delayed operation and is intended to address AR-9 buffer-weight concerns, provide smoother cycling, and make suppressed operation easier.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe system measures \u003cstrong\u003e8.5\" long, 2.1\" wide, and 1.8\" high\u003c\/strong\u003e. \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eNew Condition\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Maxim Defense","offers":[{"title":"Default Title","offer_id":54988441387330,"sku":"159421","price":168.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_fb39be63-80a0-440b-b9e4-1112f510d20d.png?v=1784136614"},{"product_id":"cmmg-ar-15-6-position-receiver-extension-kit-black","title":"CMMG AR-15 6-Position Receiver Extension Kit - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eCMMG AR-15 Receiver Extension Kit\u003c\/strong\u003e\u003c\/span\u003e is a \u003cstrong\u003econversion kit\u003c\/strong\u003e for the \u003cstrong\u003eAR-15\u003c\/strong\u003e platform. It includes a \u003cstrong\u003ereceiver extension tube\u003c\/strong\u003e with \u003cstrong\u003e6-position collapsible\u003c\/strong\u003e adjustment.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis \u003cstrong\u003eblack\u003c\/strong\u003e kit uses \u003cstrong\u003ealuminum, steel, and polymer\u003c\/strong\u003e components. A \u003cstrong\u003ecarbine-style buffer\u003c\/strong\u003e and \u003cstrong\u003eaction spring\u003c\/strong\u003e are included. No rails are included.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis item is offered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew Condition\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":54988893684034,"sku":"3197","price":58.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_973d8b69-8229-4b53-927d-76c41e55b8a4.png?v=1784145315"},{"product_id":"utg-pro-ar-15-6-position-mil-spec-receiver-extension-kit-black","title":"UTG Pro AR-15 6-Position Mil-Spec Receiver Extension Kit - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eUTG Pro AR-15 6-Position Mil-Spec Receiver Extension Kit\u003c\/strong\u003e\u003c\/span\u003e is a \u003cstrong\u003ebuffer assembly\u003c\/strong\u003e intended for an \u003cstrong\u003eAR-15 rifle\u003c\/strong\u003e configuration. It uses a \u003cstrong\u003e6-position\u003c\/strong\u003e, \u003cstrong\u003emil-spec\u003c\/strong\u003e receiver extension design.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis receiver extension kit is specified with \u003cstrong\u003ealuminum\u003c\/strong\u003e construction and a \u003cstrong\u003eblack hardcoat anodized\u003c\/strong\u003e finish.\u003c\/span\u003e\u003c\/p\u003e","brand":"UTG","offers":[{"title":"Default Title","offer_id":54988895027522,"sku":"37103","price":28.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_1f31bef9-e743-42c8-8b52-69c0eef641fc.png?v=1784145523"},{"product_id":"tacfire-mar038-ar-15-standard-mil-spec-steel-receiver-end-plate-black","title":"TacFire MAR038 AR-15 Standard Mil-Spec Steel Receiver End Plate - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eTacFire MAR038 Receiver End Plate\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003estandard mil-spec\u003c\/strong\u003e \u003cstrong\u003esteel\u003c\/strong\u003e receiver end plate for \u003cstrong\u003eAR-15\u003c\/strong\u003e applications. It has a \u003cstrong\u003eblack\u003c\/strong\u003e finish.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis component is identified as an \u003cstrong\u003eAR-15 receiver end plate\u003c\/strong\u003e and provides a straightforward option for an AR-15 build or component replacement.\u003c\/span\u003e\u003c\/p\u003e","brand":"TacFire","offers":[{"title":"Default Title","offer_id":54989007880514,"sku":"146752","price":2.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_94aac1d2-49b7-41dc-b967-db888e205899.png?v=1784148931"},{"product_id":"strike-advanced-receiver-extension-ar-15-ar-10-buffer-tube-flat-dark-earth","title":"Strike Advanced Receiver Extension AR-15 AR-10 Buffer Tube - Flat Dark Earth","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eStrike Advanced Receiver Extension\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003ebuffer tube\u003c\/strong\u003e for \u003cstrong\u003eAR-15\u003c\/strong\u003e and \u003cstrong\u003eAR-10\u003c\/strong\u003e platforms.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis receiver extension is listed with a \u003cstrong\u003emil-spec\u003c\/strong\u003e specification, \u003cstrong\u003ealuminum\u003c\/strong\u003e construction, and a \u003cstrong\u003eFlat Dark Earth\u003c\/strong\u003e color.\u003c\/span\u003e\u003c\/p\u003e","brand":"Strike","offers":[{"title":"Default Title","offer_id":54989015548226,"sku":"39096","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_5b6fc089-7565-4fe3-8dbf-da32963ab1a0.png?v=1784149787"},{"product_id":"patriot-ordnance-factory-00342-buffer-tube-anti-tilt-223-rem-7075-t6-aluminum-black","title":"Patriot Ordnance Factory 00342 Buffer Tube Anti-Tilt 223 Rem 7075-T6 Aluminum Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003ePatriot Ordnance Factory 00342 Enhanced Anti-Tilt Buffer Tube\u003c\/span\u003e\u003c\/strong\u003e is engineered to eliminate the carrier tilt that can compromise the reliability of an \u003cstrong\u003eAR-platform\u003c\/strong\u003e rifle. Machined from \u003cstrong\u003eMil-Spec 7075-T6 aircraft aluminum\u003c\/strong\u003e with a hard-wearing \u003cstrong\u003eblack\u003c\/strong\u003e finish, this 6-position carbine tube installs on any lower receiver cut for a standard carbine buffer tube.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe defining feature is a pair of \u003cstrong\u003ecarrier cradle extensions\u003c\/strong\u003e machined into the tube body. These extensions support the carrier at full extension of the recoil stroke, virtually eliminating the upward tilt that a standard tube allows. 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Together, the pair presents a matched, purpose-built appearance versus the stock components.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA built-in \u003cstrong\u003eQuick-Detach (QD) sling swivel mount\u003c\/strong\u003e is integrated directly into the extended end plate, giving the shooter a dedicated attachment point for push-button QD slings without requiring a separate aftermarket mount or adapter. 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It is the precision-machined backbone that accepts any standard Mil-Spec diameter carbine buttstock on an AR-15 lower receiver, giving the shooter a full range of length-of-pull adjustments along the buffer\/spring stack.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCNC machined from a single piece of \u003cstrong\u003e6061-T6 aircraft-grade aluminum\u003c\/strong\u003e, the TLU001 features precisely \u003cstrong\u003erolled threads\u003c\/strong\u003e for durable, repeatable engagement with the lower receiver threads, along with a matte black \u003cstrong\u003eType III hardcoat anodized\u003c\/strong\u003e finish for long-term corrosion and wear resistance. 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