This CMMG Receiver Extension kit comes with a carbine buffer assembly and a carbine action spring.
“Magpul MAG556BLK PMAG GEN M3 30rd Detachable w/Capacity Window 223 Rem/5.56x45mm NATO Fits AR-15/M16/M4 Black Polymer” has been added to your cart. View cart
| Weight | 0.8 lbs |
|---|---|
| Dimensions | 10.8 × 2.8 × 1.2 in |
| Adjustment Type | |
| Finish | |
| Firearm Model | |
| Firearm Type | |
| Material | Aluminum/Steel/Polymer |
| Rails | |
| Tube Included | |
| Manufacturer | CMMG |
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