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.
INSAS rifle an AK-47 based rifle, called the Trichy Assault Rifle was tested by the Ordnance Factory Trichy. It was first unveiled in May 2011. In January 2012, it was reported to having stoppages during tests due to its high firing rate of 800 rpm. It was to be downgraded to 650 rpm to ensure smoother operation, but it also delayed its introduction. The rifle works on tilting bolt mechanism which is different from the rotating bolt action of the AK-47. The rifle can be fired in single, burst and full auto mode. It's available with fixed butt, side folding and under