AK-74 be used by the majority of countries of the former Soviet Union. Additionally, licensed copies were produced in Bulgaria (AK-74, AKS-74 and AKS-74U), and the former East Germany (MPi-AK-74N, MPi-AKS-74N, MPi-AKS-74NK). Besides former Soviet republics and eastern European countries, Mongolia, North Korean Special Forces, and Vietnamese People's Naval infantry use AK-74s. The AK-74 was designed by А. D. Kryakushin's group under the design supervision of Mikhail Kalashnikov and is an adaptation of the 7.62×39mm AKM assault rifle and features several important design improvements. These improvements were primarily the result of converting the rifle to the intermediate-caliber high velocity 5.45×39mm cartridge.
Service rifle rifle. Assault rifles such as the Soviet AK-47 and the American M-16, and battle rifles such as the Belgian FN FAL and the Swiss Sturmgewehr 58, became common service rifles in the second half of the twentieth century. Service rifle A service rifle or service weapon (also known as a standard-issue rifle) is a weapon which an armed force issues as standard to its service members. In modern forces, this is typically a versatile and rugged assault rifle, battle rifle or carbine suitable for use in nearly all environments. Most armies also have service pistols or side arms. Early rifles