Modular Handgun System MHS (Modular Handgun System) Modular Handgun System Modular Handgun System must meet MHS (Modular Handgun System) https://en.wikipedia.org/wiki/Modular_Handgun_System Modular Handgun System Modular Handgun System Modular Handgun System Modular Handgun System must meet Modular Handgun System "adapted" http://en.wikipedia.org/wiki/Modular_Handgun_System