PK machine gun
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The PK is a belt-fed general-purpose machine gun, chambered for the 7.62×54mmR rimmed cartridge.
Designed in the Soviet Union and currently in production in Russia, the original PK machine gun was introduced in 1961 and the improved PKM variant... Wikipedia
Designed: 1961
Caliber: 7.62x54R
Action: Gas-operated, long-stroke piston, open, rotating bolt
Cartridge: 7.62×54mmR; 7.62x51mm NATO; (For Arsenal MG1 Clones)
Effective firing range: 1,000 m (1,094 yd) (100–1,500 m sight adjustments)
Feed system: Non-disintegrating metal link 50-round belts in 100 and 200/250 round ammunition boxes
Length: 1,203 mm (47.4 in)