The Rock Island Armory TCM 22 Long is an updated .22 TCM model with improved reliability and feed geometry over the original TCM22. Chambered in the proprietary Armscor .22 TCM cartridge, it delivers sustained 2,000+ fps performance from the 5-inch barrel. Type: Semi-Auto Pistol Action: Single-Action Caliber: .22 TCM Capacity: 17 Year introduced: 2014, Philippines Weight: 40 oz Overall length: 8.7" Status: Active Intended use: Target, Plinking