Proof Research Bolt Action Carbon Fiber 16 Inch 308 Winchester Barrel Accessory

The Proof Research Sig Sauer Cross Pre-Fit Carbon Fiber Barrel is engineered for shooters who demand peak performance and effortless customization, designed specifically for the Sig Sauer Cross with drop-in installation and exceptional accuracy without requiring gunsmithing. This 16-inch barrel features a 1:10 twist rate, 5/8-24 muzzle threading, and weighs just 2 pounds 4 ounces. Crafted with aerospace-grade carbon fiber and a proprietary matrix resin, this barrel is up to 64% lighter than traditional steel barrels of similar contour. Enhanced heat dissipation keeps the barrel cooler, while precision engineering delivers cold bore consistency and tight tolerances for repeatable accuracy shot after shot. The 5/8-24 thread pitch accommodates a wide range of muzzle devices and suppressors.