Glock 22 Gen3 law enforcement trade-in in .40 S&W. Surplus from agencies migrating to 9mm. Represents the most common source of affordable used Glocks in the US market. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 1990, Austria Weight: 25.59 oz Overall length: 7.32" Status: Discontinued Intended use: Service, Duty, Home Defense