CMMG BBL 300BLK 16.1" MR 4140CM SBN
Visit RSR GroupDescription
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
- 1:7 Twist 4140 Chrome moly
- 5/8X24 thread pitch
- Multi Role profile
- Carbine length gas port .750" gas block Journal, 300 Blackout chamber
Product Information
| Manufacturer | CMMG |
| Barrel Length | 16.1" |
| Caliber | 300 Blackout |
| Color | Black |
| Description | Carbine |
| Finish | Salt Bath Nitride |
| Manufacturer Part # | 30DF80A |
| Subcategory | Rifle Barrels |
| Type | Barrel |
| Type of Barrel | 1:7 |