The HYDRA® 9mm SMG mag well for use in the modular weapon system uses both Colt style magazines and the traditionally modified Uzi magazines. This mag well also works with the high-capacity drum or stick magazines. This mag well also works with other manufactures 9mm upper receivers as well as the QCB from HYDRA.

DO NOT DRY FIRE YOUR LOWER WITHOUT A MAGWELL THIS CAN RESULT DAMAGE!!!

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