1938 to 1945
Rate of fire:
950 rounds per minute
The 13 mm MG 131 (Maschinengewehr 131) was a machine gun designed
and developed by Rheinmetall-Borsig
in 1938, it was designed to be used as either a fixed or flexible,
in single or twin mountings.
The 13 mm MG 131 (Maschinengewehr 131) machine gun was installed
in the following Luftwaffe aircraft
The Warplanes of the Third Reich.
Flying Guns World War II.
German Aircraft Guns WW I WW II.
For a complete list of sources