<Li> AKMS: Under - folding stock version of the AKM intended for airborne troops . </Li> <Li> AKMN (AKMSN): Night scope rail . </Li> <Li> AKML (AKMSL): Slotted flash suppressor and night scope rail . </Li> <Li> RPK: Hand - held machine gun version with longer barrel and bipod . The variants--RPKS, RPKN (RPKSN), RPKL (RPKSL)--mirror AKM variants . The "S" variants have a side - folding wooden stock . </Li>

When was the ak 47 first used in combat