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.
AK-22 not be confused with the weapon commonly sold in America as the Armscor AK22 Sidefolder, which is a sporter, rimfire AK-47 semi-automatic version manufactured in the Philippines as the MAK-22F and sold with a side-folding stock. The two weapons are extremely different both cosmetically and internally. Besides reference to commercial .22 rimfire models of the AK rifle, the terms AK22 and AK-22 are also used to refer to illicit underground manufactured .22 rimfire weapons designed to mimick the appearance of the AK rifle, such as the weapons used in the July 2016 Dhaka attack. AK-22 An AK-22 "Trainer" is a