37 mm Gun M1

The 37mm Gun M1 was an anti-aircraft autocannon developed in the United States. It was used by the US Army in World War II.

In addition to the towed variant, the gun was mounted, with two M2 machine guns, on the M2/M3 half-track, resulting in the T28/T28E1/M15/M15A1 series of multiple gun motor carriages.

Country Name Origin Year
United States of America 1939
Country Name Operational Year Retirement Year
United States of America View

Type Anti-aircraft autocannon
Place of origin USA
Service history
Used by USA
Wars World War II
Production history
Designer John M. Browning and the Colt company
Produced 1939–?
Number built 7278
Specifications
Barrel length bore: 2 m (6.56 ft) / 54 calibers
Shell 37×223mmSR
Caliber 37 mm (1.45 in)
Breech vertical block
Carriage four-wheeled trailer
Elevation -5° to + 90°
Traverse 360°
Rate of fire 120 rounds per minute
Muzzle velocity 792 m/s (2,598 ft/s)
Effective firing range 3,200 m (3,499 yds)
Maximum firing range 8,275 m (9,049 yds)

End notes