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Mfg Item #: 55DE10A
CMMG's Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension.
| Type | Rifle |
|---|---|
| Model | AR-15 |
| Twist | 1:7" |
| Finish | Black Nitride |
| Length | 16.1" |
| Series | M4 |
| Barrel Type | Chrome-Lined Chrome Moly Vanadium |
| Barrel Features | 1/2"-28 tpi |
| Caliber Or Gauge | 223 Remington/5.56 NATO |