Maxim M/32-33
The Maxim M/32-33 is a Finnish modification of the Russian M1910 Maxim, developed by Aimo Lahti in 1932. Lahti was ordered to adapt the Maxim so that it could be fed with more modern metallic ammunition belts as opposed to the original cloth... Wikipedia
Barrel length: 721 mm
Effective firing range: 2000 m
In service: 1933–1950
Rate of fire: 650–850 round/min