{"product_id":"proof-research-138939-bolt-action-pre-fit-barrel-260-rem-16-1-8-twist-carbon-fiber-drop-in-for-sig-cross","title":"Proof Research 138939 Bolt Action Pre-Fit Barrel 260 Rem 16\" 1:8 Twist Carbon Fiber - Drop-In for Sig Cross","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProof Research 138939\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003epre-fit bolt action replacement barrel\u003c\/strong\u003e engineered as a \u003cstrong\u003edrop-in upgrade\u003c\/strong\u003e for the \u003cstrong\u003eSig Sauer Cross\u003c\/strong\u003e platform. Chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.260 Remington\u003c\/span\u003e\u003c\/strong\u003e, this \u003cstrong\u003e16-inch\u003c\/strong\u003e barrel features Proof Research's \u003cstrong\u003ecarbon fiber\u003c\/strong\u003e construction, producing a barrel that is notably lighter than traditional steel barrels of similar contour while delivering exceptional accuracy and performance.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe bore is cut with a \u003cstrong\u003e1:8\" twist\u003c\/strong\u003e and a \u003cstrong\u003e5-groove\u003c\/strong\u003e rifling pattern. The muzzle is threaded \u003cstrong\u003e5\/8\"-24 tpi\u003c\/strong\u003e, ready to accept a wide variety of muzzle devices or suppressors. The carbon fiber jacket provides \u003cstrong\u003eimproved heat dissipation\u003c\/strong\u003e for cooler, longer-lasting strings of fire across extended shooting sessions.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eBecause this is a \u003cstrong\u003epre-fit\u003c\/strong\u003e barrel, installation onto a Sig Sauer Cross action is straightforward - no gunsmithing required, allowing shooters to quickly and confidently swap out barrels to their desired caliber. Whether the goal is backcountry hunting, precision range work, or a lighter-pack rifle for mountain use, this \u003cstrong\u003ecarbon fiber pre-fit barrel\u003c\/strong\u003e brings proven Proof Research performance to the Cross platform.\u003c\/span\u003e\u003c\/p\u003e","brand":"Proof Research","offers":[{"title":"Default Title","offer_id":55010708226370,"sku":"158877","price":990.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_6f5aa95e-9f6a-4ba4-8257-b7dcdd437ad3.png?v=1784621344","url":"https:\/\/centerfiresystems.com\/products\/proof-research-138939-bolt-action-pre-fit-barrel-260-rem-16-1-8-twist-carbon-fiber-drop-in-for-sig-cross","provider":"Centerfire Systems","version":"1.0","type":"link"}