The original Rock Island TCM Standard chambered in .22 TCM. A 5-inch double-stack 1911-format pistol firing the proprietary bottleneck cartridge at over 2000 fps with a distinctive fireball and minimal recoil. Type: Semi-Auto Pistol Action: Single-Action Caliber: .22 TCM Capacity: 17 Year introduced: 2012, Philippines Weight: 33 oz Overall length: 8.7" Status: Active Intended use: Target, Plinking