RPK - Wikipedia
The RPK (Ruchnoy Pulemyot Kalashnikova, Russian: РПК Ручной пулемёт Калашникова or "Kalashnikov hand-held machine gun") is a 7.62×39mm light machine gun of Soviet design, developed by Mikhail Kalashnikov in the early 1960s, parallel with the AKM assault rifle.It was created as part of a program designed to standardize the small arms inventory of the Soviet Army ...