Complete your AR-platform build or replace an existing barrel with the Diamondback DB556P7H50B8-R barrel. Designed for .223 Remington and 5.56 NATO applications, this 7-inch barrel features a pistol-length gas system and a heavy profile for dependable performance in compact configurations. Its black nitride finish provides a durable surface designed to resist wear and corrosion while giving the barrel a clean, low-profile appearance.
Constructed from 4150 chrome moly vanadium steel, the Diamondback DB Barrel is built for demanding range and field use. The 1:8 twist rate offers versatile bullet stabilization across a broad range of common .223/5.56 projectile weights, making it a practical choice for shooters who want flexibility from a short-barreled platform. The pistol-length gas system is suited to compact AR builds using compatible components.
This Diamondback barrel is intended for experienced builders and gunsmiths who understand applicable laws, compatibility requirements, and safe installation procedures. Verify chambering, gas-system components, muzzle-device compatibility, and overall build specifications before installation. Professional installation and headspace verification are recommended to help ensure safe, reliable operation.
Features:
- Brand: Diamondback
- Part Number: DB556P7H50B8-R
- Chambering: .223 Remington/5.56 NATO
- Barrel Length: 7 inches
- Material: 4150 chrome moly vanadium steel
- Gas System: Pistol-length
- Profile: Heavy
- Twist Rate: 1:8
- Finish: Black nitride