The Diamondback DB 5.50" Heavy Nitride Barrel is a premium choice for firearm enthusiasts looking to upgrade or complete their build. Crafted from durable 4150 CMV steel this barrel is designed for reliability and performance. The black nitride finish enhances durability and corrosion resistance ensuring it stands up to rigorous use. With a pistol-length gas system and a 1:8" twist rate this barrel is optimized for precision and versatility. Its heavy profile adds stability making it an excellent option for those who demand consistent accuracy in a compact design.