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Umarex H&K UMP Competition Line High Capacity Magazine
The HK UMP Hi-Cap Mag features a lightweight polymer construction. With this mag’s massive 400 round capacity, you don’t need to worry about running short on ammo either! Pick a few of these up and hit the field with confidence!
- Lightweight Polymer Construction
- Easy to use winding wheel
- Large capacity
Compatibility: Umarex HK Competition Line UMP
Capacity: 400 Rounds