CMMG MK4 MR 4140CM Barrel .300 AAC Blackout 16.1 Inch Multi Role Profile Barrel Salt Bath Nitride Finish Muzzle Thread 5/8-24 TPI
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
| Manufacturer | CMMG
|
| Model | 30DF80A
|
| UPC | 815835011028
|
| Caliber | 300 AAC Blackout
|
| Unit/Measure | ea
|
| Stock | 3
|
| Availability | Ships or available for pick up in 5 to 14 business days. |
