Glock 22 Gen3 MOS with factory optic cut for agencies and shooters retaining .40 S&W who wish to add miniature red-dot sights. Type: Pistol Action: Semi-Automatic Caliber: .40 S&W Capacity: 15 Year introduced: 2016, Austria Weight: 25.59 oz Overall length: 7.32" Status: Active Intended use: Service, Duty, Law Enforcement