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Mfg Item #: 55CA646
Combine this AR-5 A1 Receiver Extension & Stock kit with your choice of lower parts kit to complete your lower group. It includes CMMG A1 receiver extension, rifle buffer assembly and action spring, and an A1 rifle length buttstock assembly.
| Finish | Black |
|---|---|
| Series | Stock Kit |
| Material | Polymer/Aluminum |
| Firearm Type | AR Platform |
| Firearm Model | AR-15 |
| Tube Included | No |