This Receiver Extension is for your MK4.
“Magpul MAG559BLK PMAG GEN M3 10rd 223 Rem/5.56x45mm NATO Fit AR-15/M16/M4 Black Polymer” has been added to your cart. View cart
| Weight | 0.245 lbs |
|---|---|
| Dimensions | 8.8 × 4.6 × 1.8 in |
| Finish | |
| Firearm Type | |
| Material | Steel |
| Rails | |
| Manufacturer | CMMG |
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