Complete a new build or replace an existing barrel with the Diamondback DB556C10M50B8-R barrel. Chambered for .223 Remington and 5.56 NATO, this barrel is designed for compatible AR-platform applications and features a carbine-length gas system for dependable cycling with the appropriate components.
Constructed from 4150 CMV steel, the barrel combines durable material properties with a medium-profile contour suited to a balanced rifle configuration. The black nitride finish provides a hard, corrosion-resistant surface that helps protect the barrel during regular use while simplifying maintenance.
The Diamondback DB556C10M50B8-R uses a 1:8 twist rate, offering broad compatibility with a range of commonly used .223/5.56 bullet weights. Its carbine-length configuration makes it a practical choice for builders and shooters seeking a compact setup with established AR-platform component compatibility. Verify chambering, gas-system requirements, muzzle-thread compatibility, and overall configuration before installation. Professional installation and headspace verification are recommended.
Features:
- Chambering: .223 Remington and 5.56 NATO
- Barrel Length: 10 inches
- Material: 4150 CMV steel
- Gas System: Carbine length
- Profile: Medium
- Twist Rate: 1:8
- Finish: Black nitride
- Model: DB Barrel
- Type: E X Tra Barrels
