{"product_id":"proof-research-pr10-308-win-18-1-10-twist-stainless-ar-10-barrel-5-8x24-threaded","title":"Proof Research PR10 308 Win 18\" 1:10 Twist Stainless AR-10 Barrel - 5\/8x24 Threaded","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research PR10\u003c\/span\u003e\u003c\/strong\u003e is a stainless steel replacement barrel designed for the \u003cstrong\u003eAR-10\u003c\/strong\u003e platform. Cut from \u003cstrong\u003e416R stainless steel\u003c\/strong\u003e, this \u003cstrong\u003e18\"\u003c\/strong\u003e barrel is chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.308 Winchester\u003c\/span\u003e\u003c\/strong\u003e and rifled at a \u003cstrong\u003e1:10\u003c\/strong\u003e twist rate to stabilize a broad range of bullet weights from lighter projectiles through heavier match and hunting loads.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe PR10 is configured for a \u003cstrong\u003erifle-length\u003c\/strong\u003e gas system with a \u003cstrong\u003e.750\"\u003c\/strong\u003e gas journal, making it a straightforward fit for standard AR-10 builds. The muzzle is threaded \u003cstrong\u003e5\/8x24\u003c\/strong\u003e for compatibility with the wide range of common .308 Win muzzle brakes, flash hiders, and suppressors on the market.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eShipping as a bare barrel ready to be headspaced and fitted to your AR-10 pattern build, the PR10 weighs approximately \u003cstrong\u003e3 lbs 1 oz\u003c\/strong\u003e, giving builders a balanced combination of manageable front-end weight and accuracy potential for both general-purpose and precision applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55076985995586,"sku":"195860","price":630.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_3d7310e9-5abf-4d64-9382-d80d06db3fac.png?v=1784757146","url":"https:\/\/centerfiresystems.com\/products\/proof-research-pr10-308-win-18-1-10-twist-stainless-ar-10-barrel-5-8x24-threaded","provider":"Centerfire Systems","version":"1.0","type":"link"}