CMMG's Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension. The barrel is constructed of 4140 chrome moly with a slat bath nitride finish and 5/8x24" threads.
- Brand:
- CMMG
- SKU:
- CMMG-30DF80A
- UPC:
- 815835011028
- Minimum Purchase:
- 1 unit
