Пулемёт Калашникова, aka the Kalashnikov’s machine gun, a belt-fed general-purpose machine gun, chambered for the 7.62×54r.

It was originally introduced in 1961 and later updated and reintroduced as the modernized version in 1969, still in use today.

Cartridge: 7.62x54r
Weight: 9kg/19.8lb (vs 12.5kg/27.6lb for the M240B)
Length: 47.4in/1203mm overall, 23.8in/605mm for the barrel
Cycling rate: 600-800 rpm depending on setting
Feeding system: non-disintegrating metal links
Maximum firing range: somewhere out there that way