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
- Multi Role profile
- ,Carbine length gas port .750″ gas block Journal, 300 Blackout chamber,
- Main Category: Barrels/Choke Tubes
- Subcategory: Barrel
CALIFORNIA PROPOSITION 65 WARNING
