The SIG MG50 is a general-purpose machine gun of Swiss origin and was chambered in many calibres. It was designed to replace the Maxim and Furrer M25 guns in service of pre-World War II design so around 1944/51, SIG industries decided to manufacture a series of gas-operated machine guns fed by using drum magazines and ammo belts. The MG50 lost in the trials to the MG51; however, it continued sales for a time. A version chambered in the .30-06 calibre was adopted by Denmark as the SIG M/51,[1][2] while another variant was tested in Sweden as the SIG MG53 but again was turned down.

TypeGeneral-purpose machine gun
Place of originSwitzerland
Service history
Used byDenmark
Length1245 mm
Barrel length600 mm

Actiongas operated
Feed systembelt


The MG50 is an air-cooled, gas-operated weapon and is fed by ammo belt. The barrel is designed to be interchanged quickly when in field conditions.


  1. "SIG MG50 / M/51 machine gun (Switzerland)". Modern Firearms. Retrieved 27 September 2014.
  2. Smith, Joseph E. (1969). Small Arms of the World (11 ed.). Harrisburg, Pennsylvania: The Stackpole Company. pp. 568-569.

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