Diamondback’s DB Barrel is chambered in 5.56 NATO with a 16-inch length, medium contour profile, and carbine-length gas system. The barrel features 4150 chrome moly construction with a black nitride coating, 1:8 twist rate, 1/2 x 28 thread, button rifled 5-groove bore, M4 feed ramps, and an 11 degree target crown. The salt bath nitride finish provides enhanced corrosion resistance alongside a sleek appearance.
Manufactured in-house by Diamondback using state-of-the-art CNC machines, the barrel undergoes thorough inspection at multiple stages of the build process to ensure quality. The M4 feed ramps and AR-15 parts compatibility make this precision-machined barrel well-suited for completing new builds or upgrading existing rifles, delivering reliable performance and durability for demanding shooting conditions.
