{"product_id":"proof-research-ar-style-barrel-308-win-18-1-10-twist-carbon-fiber-wrapped-threaded","title":"Proof Research AR-Style Barrel 308 Win 18\" 1:10 Twist Carbon Fiber Wrapped - Threaded","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research AR-Style Barrel\u003c\/span\u003e\u003c\/strong\u003e is a premium drop-in barrel chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.308 Winchester\u003c\/span\u003e\u003c\/strong\u003e, cut to \u003cstrong\u003e18\"\u003c\/strong\u003e and configured with a \u003cstrong\u003erifle-length gas system\u003c\/strong\u003e. The bore carries a \u003cstrong\u003e1:10\" twist rate\u003c\/strong\u003e and \u003cstrong\u003e5-groove\u003c\/strong\u003e rifling.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe barrel's signature feature is its \u003cstrong\u003ecarbon fiber\u003c\/strong\u003e wrap, which is up to \u003cstrong\u003e64% lighter than traditional steel barrels\u003c\/strong\u003e of similar contour while improving heat dissipation for cooler-running, longer-lasting performance during extended strings of fire.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe muzzle is threaded \u003cstrong\u003e5\/8x24\u003c\/strong\u003e for easy installation of muzzle brakes, flash hiders, or suppressor mounting hardware. Designed as a precision component for custom .308 Win AR-pattern builds, this Proof Research barrel delivers an excellent balance of weight savings, thermal management, and accuracy potential.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55009067237698,"sku":"152034","price":990.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_b1f20300-9600-4353-b9df-db33e4c9d62a.png?v=1784597708","url":"https:\/\/centerfiresystems.com\/products\/proof-research-ar-style-barrel-308-win-18-1-10-twist-carbon-fiber-wrapped-threaded","provider":"Centerfire Systems","version":"1.0","type":"link"}