The MG 131 Machine Gun
The MG 131 or Maschinengewehr 131 was a small German 13mm caliber gun designed in 1938 and produced from 1940 to 1945.
The MG 131 Machine Gun - Aircraft Guns & Armament (WW2)

What Is the MG 131 and Who Designed and Produced It?

The MG 131 was a German-designed machine gun primarily used during World War II. It was a belt-fed, air-cooled weapon chambered in 13x64mmB ammunition. The gun was designed by the German arms manufacturer Mauser, renowned for its contributions to firearms technology.

Armament Specifications

  • Caliber: 13x64mmB
  • Type: Belt-fed, air-cooled machine gun
  • Weight: Approximately 16.3 kg (36 lb) without ammunition
  • Length: 1,229 mm (48.4 in)
  • Barrel Length: 730 mm (28.7 in)
  • Rate of Fire: Approximately 900-1,200 rounds per minute
  • Muzzle Velocity: Approximately 720 m/s (2,362 ft/s)
  • Effective Range: Up to 1,000 meters (3,280 ft)
  • Feed System: Belt-fed, typically using 50 or 100-round belts
  • Operating Principle: Recoil operated, full-automatic
  • Mounting: Typically installed in fixed or flexible mounts on aircraft, including wing mounts and turret installations
  • Manufacturer: Designed and produced by Mauser

Aircraft That Used This Gun

The MG 131 was utilized on various German aircraft throughout World War II. Some of the notable aircraft that were equipped with the MG 131 included:

  1. Messerschmitt Bf 109: One of the most famous German fighter aircraft of the war, the Bf 109 commonly featured the MG 131 as its primary armament.
  2. Focke-Wulf Fw 190: Another iconic German fighter, the Fw 190 often carried the MG 131 in its wing-mounted armament.
  3. Junkers Ju 87 Stuka: The infamous dive bomber relied on the MG 131 for defensive firepower during its attacks.
  4. Junkers Ju 88: This versatile German bomber frequently employed the MG 131 in various defensive positions to fend off enemy fighters.
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These aircraft, among others, relied on the MG 131 to provide both offensive and defensive capabilities during combat missions throughout World War II.

A Short History of the MG 131

Development of the MG 131 began in the late 1930s, as the German military sought a replacement for the MG 17 machine gun. Mauser was tasked with designing a more powerful weapon capable of greater firepower and range. The resulting MG 131 entered service in 1940 and quickly became a staple armament for various Luftwaffe aircraft.

The MG 131 was praised for its reliability and effectiveness, particularly in its role as an offensive armament for aircraft. Its robust construction allowed it to withstand the rigors of aerial combat, and its relatively high rate of fire made it a formidable weapon against enemy aircraft.

Despite its effectiveness, the MG 131 faced some challenges during its production and deployment. As the war progressed and Germany faced shortages of resources and skilled labor, manufacturing the MG 131 became increasingly difficult. Additionally, Allied air superiority and advances in aircraft technology meant that Luftwaffe planes equipped with the MG 131 often faced superior adversaries.

More Armament & Guns from WW2

World War II saw the proliferation of a wide array of armaments and guns across various theaters of conflict, each designed to fulfill specific tactical roles and requirements. From iconic rifles and machine guns to innovative rocket projectiles and devastating cannons, the weaponry used during this global conflict shaped the course of history. For instance: