Japanese 120mm Dual Purpose Gun Type 10 (1921)
Technical Information

Background
The Type 10 was a Japanese 120 mm calibre dual-purpose anti-aircraft and coastal defense gun used during World War II. 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.

Technical Details
Caliber 120mm (5")
Muzzle Velocity 825 m/s
Shell  20.6 kg
Rate of Fire 10-12 rpm (per barrel)
Vertical Range  8,500 - 10,000 m vertical
Horizontal Range  16,000 m horizontal
Total Weight  8.5 Tons (aprox)
Ammunition  HE, Incendiary
Fuses ?