Glock 22The best-selling Glock 22 is a standard size pistol with a stand-out reputation. Law enforcement has chosen the .40 caliber Glock 22 as a service pistol with optimum reliability. The generation 4 version of the Glock 22 handgun gives shooters with smaller hands more texturing than a standard grip. It shares ergonomic holds and grip size adjustability. The Glock 22 model .40S&W, RTF features enhancements such as a rough textured frame. The 22 gun offers excellent handling for a distinct advantage in a variety of shooting situations.