CN 105-57

The CN-105-57, also known as CN 105/57 or D1504, is a light French 105 mm tank gun.

CN 105-57
An Austrian SK-105A2 Kürassier fitted with the CN 105 G1 gun.
TypeTank gun
Place of originFrance
Service history
In service1957–present
Used byAustria and the Netherlands
Production history
DesignerEFAB Bourges
Designed1957
Manufacturerarsenal de Bourges (ABS)
Produced1958
VariantsCN 105 G1
Specifications
Mass1,210 kg (2,670 lb)
Length4.622 m (15 ft 2 in)

Shell105×528mm. R
Caliber105 mm (4.134 in)
Breechsemi-automatic horizontal sliding-wedge
Recoil368 mm (14.5 in)
Elevation-8° to +12°
Traverse360°
Rate of fire8-12 rounds per minute
Muzzle velocity800 m/s (2,600 ft/s) with shaped-charge round
1,430 m/s (4,700 ft/s) with the APFSDS round
Maximum firing range8,000 m (8,700 yd) (with HE shell)
Feed systemtwo six-rounds ammunition drums and automatic rammer or manually
SightsM213
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