CMMG Barrel Sub-Assembly MR 300 Blackout 16.1" AR-15 4140 Chrome Moly Steel Black Nitride Carbine Length Multi Role Profile
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Buy your CMMG Barrel Sub Assembly parts from BattleHawk Armory today!
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.
| Manufacturer | CMMG |
| Pricing Unit | EA |
| Model | Barrel Sub-Assembly |
| UPC | 815835011028 |
| SKU | 30DF80A |
| Width | 1.6000 |
| Length | 18.2000 |
| Height | 1.5000 |
| Weight | 2.1500 |






FFL Required