HK UMP 400-Round Hicap AEG Magazine Nineball For use on on top

For use on on top rail systems

not G-spec (not included))

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HK UMP 400-Round Hicap AEG Magazine Nineball For use on on topHK UMP 400 round Hicap AEG Magazine High capacity magazines are the favorite magazine for airsoft players. High capacity (Hicap) magazines usually hold 150 rounds or more. These magazines work using a tensioned mainspring (similar to a mechanically wound timepiece) or an electrically driven feeding gear. The advantage of these magazines is the simple fact that they are able to hold a great many BBs. Most beginner or intermediate AEGs come with a high