The CMMG A1 Receiver Extension and Stock kit contains a rifle buffer assembly, rifle action spring and an A1 rifle length butt stock assembly. Combine this kit with your choice of lower parts kit to complete your lower group.
“Spikes SLA500R Buffer Tube 6 Position Mil-Spec Black Hardcoat Anodized Aluminum” has been added to your cart. View cart
| Manufacturer | CMMG |
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