Description
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:
- Manufacturer Id : CMMG
- Type of Barrel : 1:7
- Barrel Length : 16.1"
- Description : Carbine
- Finish : Salt Bath Nitride
- Caliber : 300 Blackout
- Manufacturer : CMMG
- Manufacturer Part # : 30D120A
- Type : Barrel
- Sub Category : Rifle Barrels
- Color : Black
