{"product_id":"proof-research-pre-fit-bolt-action-barrel-6-5-creedmoor-16-1-8-twist-carbon-fiber-sig-cross","title":"Proof Research Pre-Fit Bolt Action Barrel 6.5 Creedmoor 16\" 1:8 Twist Carbon Fiber - Sig Cross","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research Pre-Fit Bolt Action Barrel\u003c\/span\u003e\u003c\/strong\u003e is a precision-engineered replacement barrel built to drop directly into the \u003cstrong\u003eSig Cross\u003c\/strong\u003e bolt-action rifle platform. Machined to factory-spec dimensions for a true \u003cstrong\u003edrop-in fit\u003c\/strong\u003e, this pre-fit design eliminates the need for custom headspacing or gunsmith work, making it a straightforward upgrade or replacement option for Sig Cross owners.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eChambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e6.5 Creedmoor\u003c\/span\u003e\u003c\/strong\u003e, the barrel measures \u003cstrong\u003e16\" in length\u003c\/strong\u003e and features a \u003cstrong\u003e1:8\" twist rate\u003c\/strong\u003e with a \u003cstrong\u003e5-groove bore\u003c\/strong\u003e optimized to stabilize the full range of 6.5 Creedmoor bullet weights, from lighter match projectiles through heavier hunting and long-range designs. The muzzle is cut with \u003cstrong\u003e5\/8\"-24 tpi\u003c\/strong\u003e threads, ready to accept a standard muzzle brake or suppressor.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eProof Research's signature \u003cstrong\u003ecarbon fiber\u003c\/strong\u003e construction reduces weight compared to an all-steel barrel of the same profile while maintaining the stiffness required for precision shooting. The result is a lighter, faster-handling rifle that retains excellent accuracy potential, ideal for hunters and precision shooters looking to optimize their Sig Cross build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55010858991938,"sku":"158874","price":990.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_5421c3f8-aea2-42c2-b5c2-a60bfd4eadf6.png?v=1784628673","url":"https:\/\/centerfiresystems.com\/products\/proof-research-pre-fit-bolt-action-barrel-6-5-creedmoor-16-1-8-twist-carbon-fiber-sig-cross","provider":"Centerfire Systems","version":"1.0","type":"link"}