Fits G21 Gen3 and Gen4 578 X 28 RH .45 Auto Metric Threaded Barrel w/Metal Thread protector.
“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 | 0.345 lbs |
|---|---|
| Dimensions | 8.4 × 4.1 × 0.8 in |
| Manufacturer | Glock |
| Compatibility | |
| Features | |
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