AC 37 anti-tank gun

The AC 37 was a French anti-tank gun of 37mm caliber, developed by the Ateliers de Puteaux. It was principally used in the ouvrages and casemates of the Maginot Line in the late 1930s. It was frequently paired with a Jumelage de Mitrailleuses (JM) cupola with twin machine guns.^[1]

AC 37
A 37mm gun of Ouvrage Simserhof
Type	Anti-tank
Place of origin	France
Service history
In service	1930s
Used by	France
Wars	World War II
Production history
Designer	Ateliers de Puteaux
Specifications
Caliber	37 mm (1.45 in)
Barrels	Single
Rate of fire	20 rounds per minute
Muzzle velocity	850 metres per second (2,800 ft/s)

The AC 37 was superseded by the AC 47 anti-tank gun.

Characteristics

• Length of tube : 1.97 m (6.46 ft)
• Rifling: 16, right-handed
• Penetration at 1000m : 30 to 40 mm