Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. ALL NFA RULES APPLY
- Barrel Length:
- 8";Description=4140CM"
- Finish:
- Nitride
- Fit:
- AR Rifles
- Caliber:
- 300 Blackout
- Manufacturer:
- CMMG
- Manufacturer Part No.:
- 30D810A
- Type:
- Barrel
- Sub Category:
- Barrels
- Color:
- Black
