Type 99 81mm Mortar

Used by  Imperial Japanese Army

World War II

Specifications
Weight 24 kg (52.91 lb)
Length 717 mm (2 ft 4.2 in)
Barrel length 552 mm (1 ft 9.7 in)
Width 673.1 mm (2 ft 2.50 in) (baseplate)
Shell weight 3.3 kg (7 lb 4 oz)
Caliber 81 mm (3.19 in)
Action Manual
Elevation +45 to +85 degrees
Muzzle velocity 82 m/s (269 ft/s)
Effective firing range 650 m (710 yd)