{"product_id":"proof-research-101261-ar-style-barrel-308-win-16-1-10-twist-5-8x24-carbon-fiber-wrapped-intermediate-length-gas","title":"Proof Research 101261 AR-Style Barrel 308 Win 16\" 1:10\" Twist 5\/8x24 Carbon Fiber Wrapped - Intermediate Length Gas","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research 101261\u003c\/span\u003e\u003c\/strong\u003e is an \u003cstrong\u003eAR-Style barrel\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.308 Winchester\u003c\/span\u003e\u003c\/strong\u003e, featuring Proof Research's signature \u003cstrong\u003ecarbon fiber wrapped\u003c\/strong\u003e construction. At \u003cstrong\u003e16 inches\u003c\/strong\u003e in length, this barrel is up to \u003cstrong\u003e64% lighter\u003c\/strong\u003e than traditional steel barrels of similar contour while offering improved heat dissipation for cooler, longer-lasting performance under sustained fire.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe bore is rifled with \u003cstrong\u003e5 grooves\u003c\/strong\u003e on a \u003cstrong\u003e1:10\" twist\u003c\/strong\u003e rate, providing the versatility to stabilize a broad range of .308 Win bullet weights commonly used in sporting and tactical rifle applications. The \u003cstrong\u003eintermediate length gas system\u003c\/strong\u003e delivers a balanced operating cycle, and the muzzle is finished with \u003cstrong\u003e5\/8x24\u003c\/strong\u003e threading to accommodate a wide selection of muzzle brakes, compensators, or suppressors.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned as a replacement barrel for \u003cstrong\u003eAR-platform .308 Winchester rifles\u003c\/strong\u003e, the 101261 offers a lightweight carbon fiber wrapped contour for hunting, precision, and tactical rifle projects. Proof Research's carbon fiber wrap technology provides extreme temperature resistance and extended barrel life compared to conventional steel blanks, making the 101261 a sought-after upgrade for AR-style .308 builds.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55378119754050,"sku":"152033","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_229d1ee2-07ed-4c71-8f44-9f48a4452941.png?v=1785240914","url":"https:\/\/centerfiresystems.com\/products\/proof-research-101261-ar-style-barrel-308-win-16-1-10-twist-5-8x24-carbon-fiber-wrapped-intermediate-length-gas","provider":"Centerfire Systems","version":"1.0","type":"link"}