 It have nearly 2/3 common part that borrowed from the AKM and AK-74.The 5.45 version was not to be interested due to the futility of already low-powered 5.45 cartridges that are not really need to reduce recoil.The weapon externally differs from the AKMS is only in the absence of a gas tube (a carrying handle is installed instead of it) and a different stock design.