Description
CMMG’s Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension.
Details
| FireArm: | No |
| Barrel Type: | Carbine Length |
| Type: | Rifle |
| Model: | Barrel Sub-Assembly |
| Sights: | None |
| Twist: | 1:7″ |
| Caliber or Gauge: | 223 Remington/5.56 NATO |
| Barrel Features: | M4 Profile |
| Finish: | Nitride |
| Length: | 16.10″ |






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