{"product_id":"guntec-usa-ar-10-mil-spec-308-buffer-tube-kit-w-buffer-spring-anodized-black","title":"Guntec USA AR-10 Mil-Spec .308 Buffer Tube Kit w\/ Buffer \u0026 Spring - Anodized Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eGuntec USA AR-10 Mil-Spec Buffer Tube Set\u003c\/span\u003e\u003c\/strong\u003e delivers a complete drop-in solution for assembling or servicing an \u003cstrong\u003eAR-10\u003c\/strong\u003e pattern lower receiver chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.308 Caliber\u003c\/span\u003e\u003c\/strong\u003e. Precision-machined from lightweight \u003cstrong\u003eT6 aluminum\u003c\/strong\u003e (6061 grade), the receiver extension features a \u003cstrong\u003esix-position\u003c\/strong\u003e adjustable design with laser-engraved position markings for repeatable stock placement across the full range of adjustment.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis all-in-one kit ships with every component needed to complete a mil-spec buffer system: the \u003cstrong\u003eMil-Spec buffer tube\u003c\/strong\u003e, a \u003cstrong\u003e.308 CAR Short Buffer\u003c\/strong\u003e, a \u003cstrong\u003ecoiled buffer spring\u003c\/strong\u003e, an \u003cstrong\u003eend plate\u003c\/strong\u003e, and a matching \u003cstrong\u003ecastle nut\u003c\/strong\u003e to lock everything securely in place. The complete assembly weighs just \u003cstrong\u003e10 oz\u003c\/strong\u003e, keeping your build light without compromising the strength expected from a duty-grade component.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEngineered for direct compatibility with the \u003cstrong\u003eAR-10\u003c\/strong\u003e, \u003cstrong\u003eDPMS\u003c\/strong\u003e, and \u003cstrong\u003eLR-308\u003c\/strong\u003e platforms, this buffer tube set is finished in \u003cstrong\u003eanodized black\u003c\/strong\u003e for solid wear and corrosion resistance. Whether you are completing a new build or replacing a worn-out unit, the \u003cstrong\u003eGuntec USA\u003c\/strong\u003e Mil-Spec buffer tube set offers a reliable, complete solution for your AR-10 build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Guntec USA","offers":[{"title":"Default Title","offer_id":55344365207874,"sku":"ZMILTUBESET308","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_eac84998-e6ee-4d91-b892-48f052396362.jpg?v=1785183118","url":"https:\/\/centerfiresystems.com\/products\/guntec-usa-ar-10-mil-spec-308-buffer-tube-kit-w-buffer-spring-anodized-black","provider":"Centerfire Systems","version":"1.0","type":"link"}