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| Sun | Appointment only |
| Mon | 11am - 7pm |
| Tue | 11am - 7pm |
| Wed | 11am - 7pm |
| Thu | 11am - 7pm |
| Fri | 11am - 7pm |
| Sat | 11am - 7pm |
Mfg Item #: 55D590A
CMMG's Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension.
| Shipping Length | 1.75 |
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