Type 3 120 mm 45 caliber naval gun | |
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![]() Bow gun on Yūnagi, September 1936 | |
Type | Naval gun Coast defense gun |
Place of origin | Japan |
Service history | |
In service | 1919–1945 |
Used by | ![]() |
Wars | World War II |
Production history | |
Designed | 1895 |
Variants | Type 11 |
Specifications | |
Mass | 3,240 kg (7,140 lb) |
Barrel length | 5.4 m (18 ft) bore |
Shell | 120 x 550 mm.R.[1] Separate loading cased charges and projectile |
Shell weight | 20.3 kg (45 lb) |
Caliber | 120 mm (4.72 in) |
Action | Manual |
Breech | Single motion interrupted screw Welin breech block |
Recoil | Hydro-pneumatic |
Elevation | -7° – +33° |
Traverse | +120°- 120° |
Rate of fire | 5–6 rpm |
Muzzle velocity | 825 m/s (2,710 ft/s) |
Effective firing range | 16 km (10 mi) at 33° |
12 cm/45 3rd Year Type naval gun was a Japanese naval gun and coast defense gun used on destroyers, and torpedo boats of the Imperial Japanese Navy during World War II.