16" 5.56 NATO 1:7 Twist Phosphate Carbine Heavy Barrel

16" 5.56 NATO 1:7 Twist Phosphate Carbine Heavy Barrel Built to Endure, Designed to Perform - Heavier Barrel, Harder Hitting. The 16" 5.56 NATO 1:7 Twist Phosphate Carbine Heavy Barrel from Black Rifle Depot is designed for shooters who demand rugged reliability and consistent performance. Featuring a durable mag phosphate finish and a heavy barrel profile, this barrel excels in heat resistance and maintains accuracy during sustained fire. The 1:7 twist rate is optimized for stabilizing heavier 5.56 projectiles, making it ideal for tactical, defensive, or high-volume applications. Its carbine-length gas system ensures reliable cycling and compatibility with a wide range of AR-15 components. Backed by ISO-9001-level quality control and our MOA accuracy guarantee, this BRD private-label barrel brings exceptional value and made-in-America quality to your next build.