{"product_id":"luth-ar-308-cs-10a-ar-10-308-carbine-buffer-spring-9-75-steel","title":"Luth-AR 308-CS-10A AR-10 .308 Carbine Buffer Spring - 9.75\" Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR 308-CS-10A\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003ecarbine-length buffer spring\u003c\/strong\u003e purpose-built for the \u003cstrong\u003eAR-10 platform\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.308 Winchester \/ 7.62x51mm NATO\u003c\/span\u003e\u003c\/strong\u003e. Designed to be paired with a standard carbine buffer tube, this spring delivers the correct spring rate and length needed to reliably cycle the larger bolt and heavier buffer mass of a .308 AR build.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eManufactured from \u003cstrong\u003etempered spring steel\u003c\/strong\u003e, the 308-CS-10A measures \u003cstrong\u003e9.75 inches\u003c\/strong\u003e overall with a \u003cstrong\u003e.075-inch\u003c\/strong\u003e wire diameter and \u003cstrong\u003e24-25 coils\u003c\/strong\u003e. The geometry is matched to the deeper carbine buffer tube used on AR-10 rifles - standard AR-15 springs are typically too strong and too long for proper function in a .308 carbine, making this Luth-AR spring the correct drop-in solution.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are completing a new \u003cstrong\u003eAR-10 carbine build\u003c\/strong\u003e or replacing a worn-out spring in an existing rifle, the Luth-AR 308-CS-10A provides the durable, correctly-spec'd component your .308 AR needs for reliable cycling.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55233640366402,"sku":"186410","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_bc5e7f6c-33da-4b74-bad9-ebdab8fda404.png?v=1785008251","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-308-cs-10a-ar-10-308-carbine-buffer-spring-9-75-steel","provider":"Centerfire Systems","version":"1.0","type":"link"}