This CBC Pistol Upper is the perfect choice for your next project. It's built around a 7.5 inch 4150 chrome moly barrel and has a black phosphate finish for superior corrosion resistance. The 1:7 inch twist provides optimal stabilization for heavier projectiles, while a 7 inch KeyMod handguard allows for easy attachment of lights, lasers, and more. PLEASE NOTE: Bolt carrier group and charging handle not included. 7.5 inch 4150 chrome moly steel barrel with black phosphate finish 7075-T6 aluminum receiver 7 inch KeyMod handguard for modern accessories Forward assist and dust cover BCG and charging handle not included Order today!