The Glock 22 Gen4 was the full-size FBI service pistol in .40 S&W before the transition to 9mm. The most widely issued law enforcement pistol in the United States during the 2000s and 2010s. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: 40 S&W Capacity: 15 Year introduced: 2010, Austria/USA Weight: 22.92 oz Overall length: 7.4" Status: Active Intended use: Law Enforcement, Duty