Gen4 .40 S&W subcompact Glock with a dual recoil spring assembly and interchangeable backstraps. Compatible with G22 and G23 magazines. Widely issued as a backup or off-duty pistol by law enforcement. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 9 Year introduced: 2010, Austria Weight: 21.16 oz Overall length: 6.49" Status: Active Intended use: Concealed Carry, Backup Carry, Duty