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