Description
CMMG 8″ 300 blackout Barrel 4140CM SBN (300 BLACKOUT)
| Barrel | Specifications |
|---|---|
| Caliber | 300BLK |
| Length | 8″ |
| Material | 4150 Chrome Moly Vanadium |
| Profile | Medium |
| Finish | SBN |
| Gas System Length | Pistol |
| Gas Block Journal | .750″ |
| Dimpled? | No |
| Twist Rate | 1:7 |
| Muzzle Thread | 5/8×24 |
| Barrel Extension | M4 Feed Ramps |
All NFA/ATF Rules Apply Depending on your state and local laws, you could use this barrel with a lower receiver that is a Registered SBR, or Pistol. Possession of this barrel along with a Non-NFA lower receiver may be Prohibited. We are not lawyers and the above information is not legal advise. Make sure you understand the most up to date federal, state and local laws before proceeding with this product.
