{"product_id":"armaspec-srs-bb-stealth-recoil-spring-big-bore-gen-4-silver-black-5-7-oz-ar-15","title":"Armaspec SRS-BB Stealth Recoil Spring Big Bore Gen 4 Silver\/Black 5.7 oz AR-15","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eArmaspec Stealth Recoil Spring (SRS)\u003c\/span\u003e\u003c\/strong\u003e is a self-contained, multi-stage \u003cstrong\u003edrop-in replacement\u003c\/strong\u003e for the standard buffer and buffer spring in \u003cstrong\u003eAR-15 carbine-length receiver extensions\u003c\/strong\u003e. The \u003cstrong\u003eBig Bore (BB)\u003c\/strong\u003e configuration of the \u003cstrong\u003eGen 4\u003c\/strong\u003e SRS is built for larger-caliber AR-platform builds and is also at home in \u003cstrong\u003eAR-10\u003c\/strong\u003e rifles and pistols running heavy rounds.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned to reduce felt recoil and eliminate spring-rub noise, the SRS captures the recoil spring inside a sealed, two-piece housing so the spring can no longer chirp against the buffer tube wall. The Big Bore version is rated at an \u003cstrong\u003eequivalent buffer weight of 5.7 oz\u003c\/strong\u003e, with an actual installed weight of \u003cstrong\u003e7.5 oz\u003c\/strong\u003e and an overall length of \u003cstrong\u003e7.18\"\u003c\/strong\u003e. The unit drops directly into a standard carbine buffer tube in place of the factory buffer and spring - no permanent modification required - and is finished in a \u003cstrong\u003esilver and black\u003c\/strong\u003e two-tone.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eKey features include:\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eDrop-in replacement\u003c\/strong\u003e for standard AR-15 carbine buffer and spring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCaptured, multi-stage spring design \u003cstrong\u003ekeeps the spring from rubbing\u003c\/strong\u003e the buffer tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003eReduces \u003cstrong\u003efelt recoil\u003c\/strong\u003e and unwanted operating noise\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eBig Bore (BB)\u003c\/strong\u003e tuning for larger-caliber AR-15 \/ AR-10 applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eEquivalent weight:\u003c\/strong\u003e 5.7 oz | \u003cstrong\u003eActual weight:\u003c\/strong\u003e 7.5 oz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eOverall length:\u003c\/strong\u003e 7.18\"\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eGeneration 4\u003c\/strong\u003e design with silver\/black finish\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Armaspec","offers":[{"title":"Default Title","offer_id":55314693062978,"sku":"ARM253BB","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_e58343a5-d93c-400c-ad24-574a6da98fa5.jpg?v=1785137501","url":"https:\/\/centerfiresystems.com\/products\/armaspec-srs-bb-stealth-recoil-spring-big-bore-gen-4-silver-black-5-7-oz-ar-15","provider":"Centerfire Systems","version":"1.0","type":"link"}