Proof Research CF Bolt .308 18 Sendero 1-10 Twist Barrel

The Proof Research CF bolt delivers precision and consistency in a compact, hunter-ready profile, featuring a .308 caliber with an 18-inch Sendero contour for optimal balance and rapid handling. Designed around a 1-10 twist, this barrel excels with a wide range of precision loads, pairing a breech length of 2.5 inches and a shank diameter of 1.20 inches to promote reliable chamber compatibility and smooth external shaping. Weighing just 2 pounds 8 ounces, its featherweight construction minimizes fatigue during long-range sessions, while the Sendero geometry contributes improved velocity retention and extended stabilization for demanding shots. Built to withstand rigorous field use, the CF barrel aligns with high-performance rifle platforms, delivering clean, consistent muzzle exit velocities and reduced harmonics for tighter groups in both woodland and open-country environments. Whether refitting a dedicated sniper rifle, upgrading a hunting setup, or enhancing a bench-rest style build, this Proof Research component offers rugged reliability, factory-focused tolerances, and the flexibility to tailor load development around exacting twist and chamber specifications. With its proven blend of steel-hard durability, precise machining, and practical weight, this barrel is a steadfast foundation for accurate, repeatable shooting.