Type 10 120 mm AA gun
|Type 10 120 mm dual-purpose gun|
A damaged dual purpose 120 mm gun from a four gun battery on Guam.
|Type||Anti-aircraft / coastal defense gun|
|Place of origin||Japan|
|Used by||Empire of Japan|
|Wars||Second World War|
|No. built||approx 2000|
|Barrel length||5.4 m (17 ft 9 in) L/45|
|Caliber||120 millimetres (4.7 in)|
|Breech||Semi-automatic horizontal sliding-wedge|
|Elevation||-5 to +75 degrees|
|Rate of fire||10 to 12 rounds per minute|
|Muzzle velocity||825 m/s (2,710 ft/s)|
|Effective firing range||Horizontal: 16,000 m (17,000 yd)|
Vertical: 8,500 m (27,900 ft)
|Maximum firing range||Vertical: 10,000 m (33,000 ft)|
The Type 10 or 12 cm/45 10th Year Type naval gun was a Japanese 120 mm calibre dual purpose anti-aircraft and coastal defense gun used during the Second World War. It was derived from the 12 cm/45 3rd Year Type naval gun. The Type 10 number was designated for the year the gun was accepted,the 10th year of Emperor Taishō's reign, 1927 in the Gregorian calendar.
The weapon was originally designed for ship use and was produced in large numbers during 1944. The gun was adapted for land use as a dual-purpose gun. The gun fired either high explosive or incendiary shrapnel shells that weighed 20.6 kilograms, with a complete round weighing 32.4 kilograms.
Weapons of comparable role, performance and era
- QF 4.7 inch Mk VIII naval gun : British equivalent naval anti-aircraft gun
- War Department TM-E-30-480 Handbook on Japanese Military Forces September 1944 p 400
- Campbell, Naval Weapons of WWII, p.194-95.
- War Department TM-E-30-480 Handbook on Japanese Military Forces September 1944
- Campbell, John (1985). Naval Weapons of World War II. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-459-4.
Media related to Type 10 120 mm AA Gun at Wikimedia Commons
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