Diamondback DB 300 AAC Blackout Vanadium Steel Rifle Barrel - 16in - Black Nitride - The DB Barrel is precision-engineered with a 1:8" twist rate, optimizing it for a wide range of .300 Blackout bullet weights and ensuring excellent stability and accuracy. The pistol-length gas system enhances reliability with subsonic and supersonic ammunition, making it a versatile choice for various shooting applications. The heavy profile provides additional rigidity for improved accuracy during sustained firing. The Nitride finish not only offers a sleek black appearance but also ensures the barrel withstands harsh conditions and extended use. Whether for a build or an upgrade, the Diamondback DB Barrel delivers performance and reliability. 1:8 Heavy Profile, Pistol-Length Gas System Barrel Chrome Moly Vanadium Steel