Glock PI2250203 G22 Gen 3 40 S&W 4.49" 15+1 Black Steel Slide Black Polymer Grip Fixed Sights. Glock introduced the G22 chambered in 40 S&W to effectively close the gap between the 9mm and the 45 Auto. Glock was the first manufacturer to make this popular and effective round accessible to law enforcement agencies. The G22 is used by many police agencies across the US and throughout the world. This G22 Gen3 model has a black frame with black slide, fixed sights, 5.5-lb. trigger pull, and a 15-round capacity.