The Glock G20 is the waterline for bear defense 10mm pistols, and with the introduction of the Glock G20 Gen 5 MOS, it gets some upgrades.

Meanwhile, Glock has also extended the floor plate on the magazines of the Gen 5 and given them an orange follower to serve as a clear visual representation to the shooter that the gun is empty ...

The Glock 19 Gen4 is designed for function first. This design philosophy means that the gun parts fit together more loosely than most, making it not as accurate as competition-level pistols.

While the Army was eyeing the Glock 17, the company was apparently still testing Gen 5 (or “fifth generation”) variants of both that pistol and the Glock 19.

The Glock 19 was released as a “compact” variant in 1988 and has evolved through several generations, terminating most recently with the Gen5 introduced in 2017.

The Glock 19 Gen5 MOS FS seems to be a supremely reliable defensive pistol with a feature set reflecting the needs and desires of modern defensive shooters.