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