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-100 (rifle family) rifles. Improvements added include Picatinny rails, new pistol grip, new adjustable buttstock and new flash hider. List of how each model and caliber. AK-100 (rifle family) The AK-74M is the basis for the new Russian AK-100 family of Kalashnikov firearms: The AK-101, 102, and 104 are destined primarily for export, while the AK-105 is slated to replace the AKS-74U with the Russian Armed Forces. The 103 is used by elite Russian military and police groups in addition to being exported. Additionally, the AK-107 (5.45×39mm M74) and AK-108 (5.56×45mm NATO) rifles have a balanced recoil system to reduce felt recoil and