{"product_id":"proof-research-264-win-mag-20-1-7-5-twist-carbon-fiber-sendero-light-bolt-action-barrel-blank","title":"Proof Research 264 Win Mag 20\" 1:7.5 Twist Carbon Fiber Sendero Light Bolt Action Barrel Blank","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research Bolt Action Barrel Blank\u003c\/span\u003e\u003c\/strong\u003e is a precision \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e264 Win Mag\u003c\/span\u003e\u003c\/strong\u003e blank engineered for custom rifle builders seeking match-grade performance in a lightweight \u003cstrong\u003eSendero Light\u003c\/strong\u003e contour. This blank features a \u003cstrong\u003e20\" 416R stainless steel\u003c\/strong\u003e bore wrapped in Proof Research's signature \u003cstrong\u003ecarbon fiber jacket\u003c\/strong\u003e, trimming weight and improving barrel harmonics and cooling compared to a conventional steel contour of the same length.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCut with a \u003cstrong\u003e1:7.5 twist\u003c\/strong\u003e rate to stabilize the full range of modern \u003cstrong\u003e264 Win Mag (6.5mm)\u003c\/strong\u003e projectiles, the blank carries a \u003cstrong\u003e1.20\" shank diameter\u003c\/strong\u003e and a \u003cstrong\u003e2.5\" breech length\u003c\/strong\u003e for broad compatibility with popular precision bolt-action actions. The Sendero Light profile keeps the finished barrel at roughly \u003cstrong\u003e2 lbs 14 oz\u003c\/strong\u003e, striking a balance between the rigidity needed for long-range accuracy and the light carry weight desirable for a mountain or backcountry hunting build.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are building a lightweight mountain hunting rifle, a long-range target rig, or a hard-hitting plains-game setup, this Proof Research \u003cstrong\u003eSendero Light\u003c\/strong\u003e blank delivers the accuracy and weight savings that have made Proof Research the benchmark for premium custom rifle components. \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eNew\u003c\/span\u003e\u003c\/strong\u003e from Proof Research and ready for your custom build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55077173395778,"sku":"195866","price":852.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_17a2b6f6-06f5-4ca4-b629-5aa0ecd61ae0.png?v=1784757326","url":"https:\/\/centerfiresystems.com\/products\/proof-research-264-win-mag-20-1-7-5-twist-carbon-fiber-sendero-light-bolt-action-barrel-blank","provider":"Centerfire Systems","version":"1.0","type":"link"}