- This AR-15 .300 Blackout barrel is made by Diamondback Firearms
- It is 10.5" in length and has a medium contour.
- Due to the shortend length of this barrel, it is ported with a pistol length gas port.
- It has a 1:8" twist rate and has a standard 5/8x24 thread pitch.
- For increase resistance to wear and corrosion, this metal has a melonite coating.
- Be the first to review this product