The 7 cm Mountain Gun was a Japanese ordnance first used in 1883. Because of the relative expense of steel at the time, the gun was produced with a bronze barrel. The 7 cm was used in the First Sino-Japanese War, and was used again in the Russo-Japanese War.
Lets have a look on the specification & Specialization of this Gun. Caliber: 75 mm Barrel Length: 1.00 m Elevation: -10 to +21 degrees Shell Weight: 4.28 kg Muzzle Velocity: 255 m/s Weight: 0.256 ton Range: 3,000 m