As part of Alien Gear’s universal holster shell system, you will be able to swap out your Glock 19 gun shell to match other handguns that you would like to carry.

Glock released two new MOS models. (Picture from Glock, Inc.) GLOCK, Inc. expands the 5th Generation of GLOCK pistols with the addition of two modular optic ready platforms. The GLOCK 17 Gen5 MOS ...