Type 31 75 mm mountain gun
The Type 31 75 mm quick-firing gun was the main field gun deployed by the Imperial Japanese Army in the Russo-Japanese War of 1904–1905. Like its predecessor the 7cm gun, both mountain and field gun variants were produced. Wikipedia
Caliber: 75 millimetres (3.0 in)
Maximum firing range: 6,500 m (7,100 yd)
No. built: Approximately 620 (Field Gun variant)
Rate of fire: 2-3 rounds/minute
Used by: Imperial Japanese Army; Russian Empire; Finland; Spain