Since 1972, Check-Mate has been the proven leader in the firearms industry. At Check-Mate, there are no small details, so every professional challenge is met with enthusiasm and dedication to exacting standards. It’s the only way we know to ensure exceptional quality every time. Widely recognized as an innovator, the company garnishes several firearm patents that help cement their spot among the top tier of magazine manufacturers. As a preferred supplier for U.S. Military and the Original Equipment Manufacturer for the worlds top handgun and rifle manufacturers, Check-Mate has earned a solid reputation for reliable, high quality magazines.