AR-15 pattern pistol caliber carbine in 10mm Auto — an extremely unusual chambering for the AR platform. Used a modified magazine system in a dedicated 10mm lower. Never widely produced; Olympic Arms offered it as a specialty item for 10mm enthusiasts wanting carbine-length ballistics. Type: Rifle Action: Semi-Automatic Caliber: 10mm Auto Capacity: 15 Year introduced: 1997, United States Weight: 80 oz Overall length: 32.5" Status: Discontinued Intended use: Recreational Shooting, Hunting