Glock’s 19X “crossover” pistol, merging a G17 frame with a G19 slide, was its contender in the 2017 US Army Modular Handgun ...

Summary: The Glock 19X narrowly missed winning the XM17 Modular Handgun System competition to replace the Beretta M9, losing to SIG Sauer's P320 military variants. -The U.S. Government cited SIG ...

It's because of a machine gun conversion device, a small piece of plastic also known as a "switch" or "Glock switch." With the switch, which can turn a standard semi-automatic handgun into a fully ...