{"product_id":"proof-research-pxt-bolt-action-barrel-blank-308-winchester-26-1-10-twist-5-groove-stainless-competition-contour","title":"Proof Research PXT Bolt Action Barrel Blank 308 Winchester 26\" 1:10 Twist 5-Groove Stainless - Competition Contour","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 Bolt-Action Barrel Blank combines the company's proprietary \u003cstrong\u003ePXT rifling technology\u003c\/strong\u003e with a precision-machined \u003cstrong\u003estainless steel\u003c\/strong\u003e blank, built as a premium foundation for a custom \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e308 Winchester\u003c\/span\u003e\u003c\/strong\u003e rifle.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt \u003cstrong\u003e26 inches\u003c\/strong\u003e long with a \u003cstrong\u003e1:10 PXT twist\u003c\/strong\u003e and a \u003cstrong\u003e5-groove\u003c\/strong\u003e rifling pattern, this blank is engineered for stability and consistent projectile engagement across a wide range of bullet weights. The \u003cstrong\u003eCompetition contour\u003c\/strong\u003e profile - featuring a \u003cstrong\u003e2.5\" breech length\u003c\/strong\u003e and a \u003cstrong\u003e1.25\" shank diameter\u003c\/strong\u003e - provides the rigidity needed for long-range precision work while bringing the finished barrel weight to roughly \u003cstrong\u003e7 lbs 8 oz\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEach PXT blank is machined from \u003cstrong\u003estainless steel\u003c\/strong\u003e and profiled to the \u003cstrong\u003eCompetition\u003c\/strong\u003e configuration for optimal balance and heat management, arriving ready to be chambered, threaded, and finished by the gunsmith to the chosen bolt-action receiver. Proof Research's \u003cstrong\u003ePXT rifling\u003c\/strong\u003e is designed to extend accuracy and barrel life, making this blank a solid starting point for a custom precision build in \u003cstrong\u003e308 Winchester\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55472879075650,"sku":"200985","price":566.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_03ac464a-47ec-4a06-ab40-5820e8a3ce2d.png?v=1785472553","url":"https:\/\/centerfiresystems.com\/products\/proof-research-pxt-bolt-action-barrel-blank-308-winchester-26-1-10-twist-5-groove-stainless-competition-contour","provider":"Centerfire Systems","version":"1.0","type":"link"}