{"product_id":"proof-research-bolt-action-barrel-pre-fit-260-rem-18-1-8-twist-5-8x24-carbon-fiber-sig-cross","title":"Proof Research Bolt Action Barrel Pre-Fit 260 Rem 18\" 1:8\" Twist 5\/8x24 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 drop-in replacement barrel engineered specifically for the \u003cstrong\u003eSig Sauer Cross\u003c\/strong\u003e bolt-action rifle. Chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.260 Remington\u003c\/span\u003e\u003c\/strong\u003e, this \u003cstrong\u003e18-inch\u003c\/strong\u003e barrel features Proof Research's signature carbon fiber-wrapped construction, delivering improved heat dissipation and notable weight savings over traditional all-steel barrels.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe barrel is cut with a \u003cstrong\u003e1:8 inch\u003c\/strong\u003e twist rate and a \u003cstrong\u003e5-groove\u003c\/strong\u003e bore, a configuration well-suited to the .260 Remington's bullet weight range. The muzzle is threaded \u003cstrong\u003e5\/8x24\u003c\/strong\u003e to accept a broad selection of muzzle brakes, compensators, and sound suppressors. The pre-fit, drop-in design means no gunsmithing is required - shooters can swap or change calibers on their Sig Cross platform quickly and confidently.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFinished in Proof Research's distinctive \u003cstrong\u003ecarbon fiber\u003c\/strong\u003e wrap, this \u003cstrong\u003ePre-Fit\u003c\/strong\u003e barrel installs directly onto the Sig Cross action. Whether you are re-barreling for a different caliber or replacing a worn original, this Proof Research pre-fit offers an accurate, lightweight, and easy-to-install upgrade.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55010709242178,"sku":"158878","price":990.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_de7284a1-dc2d-4b21-abe2-9a8c78b42f88.png?v=1784621419","url":"https:\/\/centerfiresystems.com\/products\/proof-research-bolt-action-barrel-pre-fit-260-rem-18-1-8-twist-5-8x24-carbon-fiber-sig-cross","provider":"Centerfire Systems","version":"1.0","type":"link"}