This Sons of Liberty Gun Works Combat barrel is a 13.9 in. .300 AAC Blackout barrel for the AR-15. It uses the DRP profile, a pistol-length gas system, a 1:7 twist and 5/8x24 muzzle threads. The QPQ finish adds corrosion and wear resistance.
- Caliber: .300 AAC Blackout
- Length: 13.9 in.
- Profile: DRP
- Gas system: Pistol
- Twist: 1:7
- Muzzle threads: 5/8x24
- Finish: QPQ
- Weight: 2.5 lb
