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-12 to handle the extra bolt thrust produced by full-power ammunition. It features a long barrel, has a weight of with an empty box magazine and has a 20 or 30-round magazine capacity. In addition, the AK-308 uses a diopter sight line. It has the ability to attach accessories also used by the AK-12. The overall length of the rifle measures between . AK-12 The AK-12 is a Russian 5.45×39mm assault rifle, designed and manufactured by Kalashnikov Concern (formerly Izhmash). It is one of the modern derivatives of the Russian AK-Pattern series of assault rifles. Kalashnikov also offers the AK-12 in