I ban NH because I don't use Skype.
As to Mike, Russian Wikipedia calls "AK-47" just AK:
Quoteв середине 1949 года два варианта автомата Калашникова принимаются на вооружение под обозначениями «7,62-мм автомат Калашникова» и «7,62-мм автомат Калашникова со складным прикладом» (сокращённые обозначения — АК и АКС соответственно).
"In the middle of 1949 two variants of Kalashnikov's assault riffle are accepted under designations "7.62-mm Kalashnikov assault riffle" and "7.62-mm Kalashnikov assault riffle with folding stock" (shortened designations - AK and AKS respectively)"
But whatever, this system survived for such a long time that it is gonna stay in RF VS for a long time, even after more sexier guns were created (Like AN-94 that opened up to be complete b*tch to maintain)