The Rock Island Armory Tactical in 10mm Auto delivers the most powerful standard 1911 cartridge at a competitive price. Requires a full-length guide rod and stiffer recoil spring versus .45 ACP. A growing segment as 10mm popularity rebounds. Type: Semi-Auto Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 8 Year introduced: 2016, Philippines Weight: 40.5 oz Overall length: 8.7" Status: Active Intended use: Hunting, Home Defense, Target