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M3 .50 Caliber Machine Gun

The M3 .50 caliber machine gun is an automatic, recoil-operated, link-belt-fed, air-cooled machine gun having a rate of fire over 1,000 rounds per minute. The gun can be mounted in the wing or fuselage of a fighter plane or in a detachable gun pod for use on fixed and rotary wing aircraft.

Timeline

1945 - Date deployed for the M3 machine gun

M3M (GAU-21/A) .50 Caliber Machine Gun

The M3M (GAU-21) is an evolution of the M3 .50 caliber heavy machine gun. It is a single barrel rapid-fire machine gun suitable for rotary-wing aircraft applications.
M3M (GAU-21/A) .50 Caliber Machine Gun

Contractor

Manufacturer: FN America - McLean, Virginia, USA

Characteristics

Dimensions
Bore diameter: 12.7 millimeters .50 inches
Features
Action: Short-recoil operated, open bolt
Rate of fire (cyclic): 950-1 100 rounds per minute
Mode of fire: Full auto

M3P .50 Caliber Machine Gun

The M3P is a .50 caliber single barrel high rate-of-fire machine gun optimized for remote firing from aircraft, ground vehicles and naval craft. It provides both offensive and defensive firepower.

Contractor

Manufacturer: FN America - McLean, Virginia, USA

Characteristics

Dimensions
Barrel length: 91.44 centimeters 36 inches
Overall length (with short standard flash hider): 167.9 centimeters 66.1 inches
Overall length (with long standard flash hider): 180.1 centimeters 70.9 inches
Overall height: 17.78 centimeters 7 inches
Weight
Empty weight (with short standard flash hider): 36.51 kilograms 80.5 pounds
Empty weight (with long standard flash hider): 37.19 kilograms 82 pounds
Features
Maximum range: 6 500 meters 21 325 feet
Effective range: 1 850 meters 6 070 feet
Twist rate: 1:15