MG 13
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The MG 13 is a German light machine gun developed by converting the Dreyse Model 1918 heavy water-cooled machine gun into an air-cooled version. Wikipedia
Designed: 1928
In service: 1930–1945 (Germany)
Length: 1,443 mm (56.8 in)
Maximum firing range: 2,000 metres (2,200 yd)
Produced: 1930–1934
Rate of fire: 600 rounds/min