Rock Island TAC Ultra full-size in 10mm with integrated Picatinny rail on the dust cover — adds weapon light capability to the budget 10mm 1911 platform. Type: Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 8 Year introduced: 2019, Philippines Weight: 39.5 oz Overall length: 8.5" Status: Active Intended use: Home Defense, Hunting