Complete a compatible firearm build or replace an existing barrel with the Diamondback DB556P5.5H50B8-R barrel. Designed for .223 Remington and 5.56 NATO applications, this 5.5-inch barrel features a durable black nitride finish and a pistol-length gas system for compact platform configurations. Its heavy-profile design provides a solid foundation for reliable performance in demanding use.
Constructed from 4150 chrome-moly-vanadium steel, the Diamondback DB Barrel combines durable material properties with a practical configuration for builders and enthusiasts. The 1:8 twist rate is well suited to a broad range of common bullet weights, helping support consistent stabilization across versatile .223/5.56 loads. The black nitride treatment adds surface hardness and corrosion resistance while providing a clean, low-reflectivity appearance.
This Diamondback barrel is identified by part number DB556P5.5H50B8-R and is configured as a pistol-length heavy-profile barrel. Verify chambering, gas-system requirements, compatibility, and all applicable legal restrictions before installation. Professional installation and inspection are recommended to help ensure proper fit, headspace, and safe operation.
Features:
- 5.5-inch barrel length for compact .223/5.56 configurations
- Chambered for .223 Remington and 5.56 NATO applications
- 4150 chrome-moly-vanadium steel construction
- Pistol-length gas system
- Heavy-profile barrel design
- 1:8 twist rate for versatile bullet stabilization
- Black nitride finish for added durability and corrosion resistance
- Diamondback DB Barrel model
- Part number DB556P5.5H50B8-R
