Proof Research Carbon Fiber Bolt-Action Barrel 7mm BC 20" Sendero Contour

The Proof Research Carbon Fiber Bolt-Action Barrel is chambered in 7mm BC (Coup De Grâce action) and features a 20-inch Sendero contour profile. Built with Proof Research's signature carbon fiber wrapped steel construction for reduced weight and superior heat dissipation. Specs include a 1:8 twist rate, 5/8-24 muzzle thread, and a lightweight 2 lbs 10 oz total weight. Designed as a drop-in upgrade for compatible bolt-action rifle platforms.