{"product_id":"proof-research-107744-308-win-18-1-10-twist-carbon-fiber-bolt-action-barrel-sendero-contour","title":"Proof Research 107744 .308 Win 18\" 1:10 Twist Carbon Fiber Bolt-Action Barrel - Sendero Contour","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research 107744\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003ebolt-action carbon fiber barrel blank\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.308 Winchester\u003c\/span\u003e\u003c\/strong\u003e. Cut to \u003cstrong\u003e18 inches\u003c\/strong\u003e with a \u003cstrong\u003e1:10\u003c\/strong\u003e twist rate and \u003cstrong\u003e5-groove\u003c\/strong\u003e rifling, this Sendero-contour barrel features a \u003cstrong\u003e2.5-inch breech length\u003c\/strong\u003e and \u003cstrong\u003e1.20-inch shank diameter\u003c\/strong\u003e. The completed barrel weighs \u003cstrong\u003e2 lbs 8 oz\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eProof Research's \u003cstrong\u003ecarbon fiber-wrapped\u003c\/strong\u003e Sendero contour is offered as a barrel blank for custom rifle builders. The 107744 is intended for installation on a compatible \u003cstrong\u003ebolt-action action\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55077225562434,"sku":"195871","price":852.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_68259a59-8b45-47cf-97a8-9bd2d3f6ffd4.png?v=1784757373","url":"https:\/\/centerfiresystems.com\/products\/proof-research-107744-308-win-18-1-10-twist-carbon-fiber-bolt-action-barrel-sendero-contour","provider":"Centerfire Systems","version":"1.0","type":"link"}