Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced. Features : 1:7 Twist 4140 Chrome moly 5/8X24 thread pitch Medium taper profile "Carbine length gas port .750" gas block Journal"
Specifications
- Caliber: 300 Blackout
- Barrel Length: 16.1"
- Type: Barrel
- Finish: Salt Bath Nitride
- Color: Black
- Subcategory: Rifle Barrels
- Type of Barrel: 1:7
CMMG | MPN: 30D120A | UPC: 815835016238