{"product_id":"proof-research-pxt-bolt-action-barrel-blank-308-win-16-5-1-10-twist-carbon-fiber-sendero","title":"Proof Research PXT Bolt Action Barrel Blank 308 Win 16.5\" 1:10 Twist Carbon Fiber Sendero","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research PXT\u003c\/span\u003e\u003c\/strong\u003e pre-fit bolt action \u003cstrong\u003ebarrel blank\u003c\/strong\u003e is built around the \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.308 Winchester\u003c\/span\u003e\u003c\/strong\u003e cartridge for custom precision rifle builds. This \u003cstrong\u003e16.5-inch\u003c\/strong\u003e barrel features a \u003cstrong\u003e1:10\u003c\/strong\u003e twist rate in a heavy \u003cstrong\u003eSendero\u003c\/strong\u003e contour - Proof Research's heaviest standard profile, designed for maximum rigidity and match-grade accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eConstructed with Proof Research's signature \u003cstrong\u003ecarbon fiber wrapped stainless steel\u003c\/strong\u003e design, this PXT blank pairs the stiffness of a heavy benchrest-class contour with the weight savings of carbon fiber jacket technology. The action end is pre-machined to a \u003cstrong\u003e2.5\" breech length\u003c\/strong\u003e with a \u003cstrong\u003e1.20\" shank diameter\u003c\/strong\u003e, allowing drop-in installation on the intended action. Net weight on this 16.5\" Sendero blank is \u003cstrong\u003e2 lbs 6 oz\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe PXT pre-fit design eliminates the need for additional gunsmithing to fit the breech, making it well suited for custom rifle builders seeking a straightforward installation. Combined with the heavy Sendero contour and match-grade accuracy potential, this \u003cstrong\u003e.308 Winchester\u003c\/strong\u003e barrel is an excellent foundation for precision and long-range shooting applications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55084454248770,"sku":"198906","price":1002.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_0e35d296-26ce-4408-a969-7ddfb7c1bbc1.png?v=1784769131","url":"https:\/\/centerfiresystems.com\/products\/proof-research-pxt-bolt-action-barrel-blank-308-win-16-5-1-10-twist-carbon-fiber-sendero","provider":"Centerfire Systems","version":"1.0","type":"link"}