Complete a new build or replace an existing component with the Diamondback DB300P8.5H50B8-R 300 Blackout barrel. Designed for pistol-length gas systems, this barrel provides a practical foundation for compatible AR-platform builds chambered in 300 Blackout. Its heavy profile supports reliable performance and consistent handling for a variety of shooting applications.
Manufactured from 4150 chrome moly vanadium steel, the barrel features a durable black nitride finish that helps resist wear and corrosion while providing a clean, low-glare appearance. The 1:8 twist rate is suited to stabilizing a broad range of compatible 300 Blackout projectiles, making this Diamondback DB Barrel a versatile choice for builders and firearm enthusiasts.
The pistol-length configuration is intended for use with compatible components and should be installed and inspected by a qualified gunsmith. Verify chambering, gas-system compatibility, receiver specifications, and all applicable federal, state, and local laws before purchase or installation. The Diamondback part number DB300P8.5H50B8-R identifies this barrel’s configuration and finish.
Features:
- Caliber: 300 Blackout
- Barrel Length: 8.5 inches
- Material: 4150 chrome moly vanadium steel
- Gas System: Pistol length
- Profile: Heavy
- Twist Rate: 1:8
- Finish: Black nitride
- Model: Diamondback DB Barrel
