The AKS-74U is the ultra-compact carbine variant of the AK-74, featuring a very short barrel with a distinctive large cone-shaped muzzle device to mitigate the excessive gas from the short barrel. Used by vehicle crews and special forces. Type: Semi-Auto Pistol Caliber Carbine Action: Gas-Operated Caliber: 5.45x39mm Capacity: 30 Year introduced: 1979, Russia Weight: 5.5 oz Overall length: 19.3" Status: Discontinued Military use: Yes Intended use: Collector