The Rock Island Armory AL22M is chambered exclusively in the proprietary .22 TCM cartridge. It delivers over 2,000 fps from a 5-inch barrel with 17+1 capacity on the double-stack 1911 frame. Exceptional for target shooting. Type: Semi-Auto Pistol Action: Single-Action Caliber: .22 TCM Capacity: 17 Year introduced: 2015, Philippines Weight: 40 oz Overall length: 8.7" Status: Active Intended use: Target, Plinking