The AKM is the modernized Kalashnikov with a stamped sheet metal receiver, reducing weight and cost compared to the milled AK-47. It also introduced a muzzle compensator and improved bolt carrier. The AKM became the basis for most subsequent AK derivatives. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 7.62x39mm Capacity: 30 Year introduced: 1959, Russia Weight: 6.8 oz Overall length: 34.5" Status: Discontinued Military use: Yes Intended use: Collector, Range