Description
CMMG barrel sub-assembly for an AR15 upper build in .300 AAC Blackout. This 8 in barrel has a 1:7 in twist rate and comes with a properly installed M4 barrel extension. It uses a pistol length gas system, with a nitride finish on 4140 chromoly steel.
- 8 in barrel length for .300 AAC Blackout
- 1:7 in twist rate
- Pistol length gas system
- Properly installed M4 barrel extension
- Nitride finish on 4140 chromoly steel
| Caliber | .300 AAC Blackout |
|---|---|
| Barrel Length | 8 in |
| Rate of Twist | 1:7 in |
| Gas System | Pistol Length |
| Material | 4140 chromoly steel |
| Finish | Nitride |





