The Rock Island Armory 1911 A2 10mm is a philippines-made single-action pistol chambered in 10mm Auto, introduced in 2010. Primary use: sport, hunting. Type: Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 15 Year introduced: 2010, Philippines Weight: 30 oz Overall length: 8.5" Status: Active Intended use: sport, hunting