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Diamondback Firearms OEM Replacement 300 Blackout Barrel 16-Inch Nitride

Replace or upgrade your build with this Diamondback Firearms 16-inch 300 Blackout pistol-length heavy-profile barrel. It’s made from 4150 CMV steel and finished in black nitride for enhanced wear resistance, with a 1:8 twist rate suited for standard 300 Blackout bullet weights.

Key features

  • 1:8 twist rate for stable 300 Blackout bullet performance
  • 16-inch 300 Blackout barrel length with pistol-length gas system
  • Heavy-profile barrel for solid handling and build balance
  • 4150 CMV construction for strength and durability
  • Black nitride finish to help protect the bore and exterior from wear

Get your next 300 Blackout build back on track with a Diamondback OEM replacement barrel designed for reliable fit and performance.

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