{"product_id":"proof-research-pxt-bolt-action-barrel-blank-224-cal-26-1-7-twist-competition-contour","title":"Proof Research PXT Bolt Action Barrel Blank .224 Cal 26\" 1:7 Twist 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 is a premium match-grade \u003cstrong\u003ebolt-action barrel blank\u003c\/strong\u003e built for precision rifle builders and custom chambering work. Designed around the \u003cstrong\u003e.224 caliber\u003c\/strong\u003e bullet diameter, this blank delivers the long-barrel accuracy and rigidity that competitive shooters demand from a custom build.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCut to a \u003cstrong\u003e26\" length\u003c\/strong\u003e with a \u003cstrong\u003e1:7 twist rate\u003c\/strong\u003e, the PXT blank is well suited for heavier .224-diameter projectiles and the longer barrel profiles commonly used in competition shooting. The blank is profiled in Proof Research's \u003cstrong\u003eCompetition contour\u003c\/strong\u003e with a \u003cstrong\u003e1.25\" shank diameter\u003c\/strong\u003e and a \u003cstrong\u003e2.5\" barrel breech\u003c\/strong\u003e sized to align with common bolt-action receiver dimensions.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003ePXT barrels start with a \u003cstrong\u003e416R stainless steel\u003c\/strong\u003e match-grade core that is then wrapped in high-modulus \u003cstrong\u003ecarbon fiber\u003c\/strong\u003e along its length. The result is a barrel that is significantly lighter than a comparable all-steel barrel, with improved heat dissipation and excellent rigidity under firing pressure.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAs a \u003cstrong\u003ebarrel blank\u003c\/strong\u003e, this product is supplied un-chambered and un-threaded and is intended for a qualified gunsmith or barrel installer to chamber for the specific cartridge, action-fit the blank, and cut the muzzle threads to the builder's specifications.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55472950477122,"sku":"200980","price":566.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_4ec06150-5e95-46b5-90b5-070efc3ea0ac.png?v=1785477337","url":"https:\/\/centerfiresystems.com\/products\/proof-research-pxt-bolt-action-barrel-blank-224-cal-26-1-7-twist-competition-contour","provider":"Centerfire Systems","version":"1.0","type":"link"}