Diamondback DB Barrel 5.56x45mm 7in Pistol-Length Nitride

The Diamondback Firearms DB Barrel is a compact 7-inch barrel chambered in 5.56x45mm NATO manufactured from 4150 Chrome Moly Vanadium steel and finished in black nitride. It is configured with a pistol-length gas system and a pistol-length heavy profile intended for short-barrel AR pistol or SBR builds. The barrel uses a 1:8 twist rate to stabilize a broad range of bullet weights commonly used in 5.56 platforms.

Key Specifications

• The barrel length is 7 inches.
• The chambering is 5.56x45mm NATO.
• The barrel material is 4150 Chrome Moly Vanadium steel.
• The finish is Black Nitride.
• The profile is Pistol Length Heavy Profile.
• The gas system is Pistol-length.
• The twist rate is 1:8.
• The model designation is DB Barrel.
• The manufacturer is Diamondback Firearms.

This compact, nitride-finished 7-inch barrel provides a durable option for builders seeking a short, reliable AR configuration with predictable cycling and reduced weight. Its combination of 4150 CMV construction, heavy pistol-length profile, and pistol-length gas system offers a balanced solution for compact range use and short-barrel platform builds.