AC 47 anti-tank gun

The AC 47 was a French anti-tank gun of 47 mm calibre. It was principally used in the ouvrages and casemates of the Maginot Line in the late 1930s; another version was created for naval use. AC stands for anti-char, char being French for "tank".^[1]

AC 47
AC 47 of Block 1, Ouvrage Schoenenbourg in 1940
Type	Anti-tank
Place of origin	France
Service history
In service	1930s - 40s
Used by	France
Wars	World War II
Production history
Variants	Naval
Specifications
Caliber	47 mm (1.85 in)
Rate of fire	20 rounds per minute
Muzzle velocity	900 metres per second (3,000 ft/s)

The AC 47 was principally used as a defensive weapon, since its portability was intentionally limited to prevent the weapon from being turned on defending troops if a fortification was captured.^[2]

Characteristics

• Length of the tube : 2.52 m (8.26 ft)
• Rifling: 16, right-handed
• Penetration: At an incidence of 30° it could penetrate 77 mm of armour at 500 meters and 56 mm at 1000 meters.

See also

• 47 mm APX anti-tank gun

References

1. "L'emblématique canon de 47 modèle 34". Atlantik-Wahl (in French). Retrieved 2024-11-10.
2. Truttmann 1985, pp. 178.

Sources

• Truttmann, Philippe (1985). La Ligne Maginot ou la muraille de France. Gérard Klopp. ISBN 978-2911992612.