{"product_id":"proof-research-100929-264-win-mag-26-1-8-twist-carbon-fiber-sendero-bolt-action-barrel-blank","title":"Proof Research 100929 264 Win Mag 26\" 1:8 Twist Carbon Fiber Sendero Bolt Action Barrel Blank","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research 100929\u003c\/span\u003e\u003c\/strong\u003e is a precision \u003cstrong\u003ebolt action barrel blank\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e264 Winchester Magnum\u003c\/span\u003e\u003c\/strong\u003e, designed for custom rifle builders who want match-grade accuracy and weight savings in a single component upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eCut to \u003cstrong\u003e26 inches\u003c\/strong\u003e in the proven \u003cstrong\u003eSendero contour\u003c\/strong\u003e, this blank leaves the working length a gunsmith needs for threading, chambering, and final profiling to fit a wide range of bolt action rifle platforms. The blank is built around a \u003cstrong\u003e416R stainless steel\u003c\/strong\u003e core wrapped in a structural \u003cstrong\u003ecarbon fiber\u003c\/strong\u003e sleeve, the same construction Proof Research uses on its complete bolt action barrels. The carbon fiber outer wrap is engineered to shift harmonic nodes and dissipate heat faster than a comparable all-steel barrel while trimming meaningful weight from the finished rifle.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA \u003cstrong\u003e1:8 twist\u003c\/strong\u003e is matched to the .264 (6.5mm) bore, stabilizing the high-ballistic-coefficient bullets commonly loaded for the 264 Win Mag. The blank ships \u003cstrong\u003eunsighted\u003c\/strong\u003e with \u003cstrong\u003eno iron sights\u003c\/strong\u003e installed, leaving sight and muzzle-device selection entirely to the builder. This Sendero-contour blank is ready to be finished into a long-range hunting or precision rifle.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":54996489797954,"sku":"115019","price":780.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_bb4252ea-f412-4d38-9bb1-4c765658a1a3.png?v=1784320626","url":"https:\/\/centerfiresystems.com\/products\/proof-research-100929-264-win-mag-26-1-8-twist-carbon-fiber-sendero-bolt-action-barrel-blank","provider":"Centerfire Systems","version":"1.0","type":"link"}