CMMG, Barrel, 300 AAC Blackout, 16.1" Barrel, 1:7 Twist, Carbine 4140 CrMo Salt Bath Nitride Finish, 5/8"-24 TPI
CMMG
$167.99
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
Features :
Features :
- 1:7 Twist 4140 Chrome moly
- 5/8X24 thread pitch
- Medium taper profile
- Carbine length gas port .750" gas block Journal