The Glock 22 is the .40 S&W full-size variant, the most widely adopted police sidearm in US law enforcement history. At its peak adoption in the 2000s, approximately 65 percent of American law enforcement agencies carried the Glock 22 or 23. The .40 S&W cartridge offered ballistics between 9mm and .45 ACP, which drove enormous law enforcement demand. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 15 Year introduced: 1990, Austria Weight: 22.92 oz Overall length: 7.32" Status: Active Intended use: Law Enforcement