Cannon 102/45

The Cannon 102/45 was a naval gun of the Italian Navy in World War II, which was later modified for shore based anti-aircraft and coastal artillery roles.

Cannon 102/45
The Cannon 102/45 was a licensed copy of the QF 4 inch Mk V naval gun shown here.
TypeNaval gun
Anti-aircraft gun
Coastal artillery
Place of originUnited Kingdom
Service history
In service1917-1945
Used byItaly
WarsWorld War I
World War II
Production history
Designed1913
ManufacturerAnsaldo
Produced1917
VariantsSchneider-Armstrong
Model 1917
Schneider-Armstrong
Model 1919
Schneider-Canet
Model 1917
Specifications
Mass2,327 kilograms (5,130 lb)
Length4.7 meters (15 ft 5 in)
Barrel length4.57 meters (15 ft 0 in)

Shell weight13.7–16 kilograms (30–35 lb)
Caliber102 millimeters (4.0 in)
45 Caliber
BreechHorizontal or vertical sliding breech block
ElevationSee Table
Traverse-360°
Rate of fire7 rpm
Muzzle velocitySchneider-Armstrong: 850 m/s (2,800 ft/s)
Schneider-Canet:
888 m/s (2,910 ft/s)
Maximum firing rangeHorizontal: 15 kilometres (9.3 mi) at +35°
AA: 8,000 m (26,000 ft)
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