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

The Proof Research carbon fiber wrapped bolt-action barrel is chambered in 7mm BC and features a 20-inch Sendero contour profile designed for Lone Peak DI (Direct Injection) actions. Key specifications include a 1:8 twist rate, 5/8-24 muzzle threading, and a lightweight construction weighing just 2 lbs 10 oz. The carbon fiber wrap significantly reduces weight compared to traditional steel barrels while maintaining exceptional rigidity and heat dissipation for precision long-range performance.