Proof Research Bolt Action Pre-Fit Barrel 308 Win 16" 1:10" Twist Carbon Fiber - 134467

This Proof Research pre-fit barrel is chambered in .308 Winchester with a 16-inch length, 1:10" twist rate, and 5-groove rifling. It features a carbon fiber construction with a 5/8"-24 tpi threaded muzzle and drop-in design for direct installation on Sig Cross rifles. The pre-fit design ensures compatibility and simplifies barrel replacement without additional fitting required.