Modernized PK with a lighter fluted barrel, simplified stamped components, and reduced overall weight — the PKM is over a pound lighter than the original PK despite improved reliability. Standard Russian GPMG and one of the most common machine guns in the world. Type: Machine Gun Action: Select-Fire Caliber: 7.62x54mmR Capacity: 100 Year introduced: 1969, Soviet Union Weight: 107 oz Overall length: 36.6" Status: Active Military use: Yes Intended use: Military, Squad Support, Vehicle Mounted