Second-generation full-size .45 ACP G21. Gen2 checkered grip panels, no finger grooves or accessory rail. The .45 ACP Glock from the era of the caliber wars. Carried by law enforcement officers committed to .45 ACP. Type: Semi-Auto Pistol Action: Striker-Fired Caliber: .45 ACP Capacity: 13 Year introduced: 1991, Austria Weight: 29.28 oz Overall length: 7.59" Status: Discontinued Intended use: Law Enforcement, Service