Nagoya Arsenal-produced Arisaka Type 99, the primary Japanese service rifle of WWII. An improvement over the Type 38 designed for a more powerful 7.7mm cartridge, it featured an anti-aircraft sight and monopod. Type: Rifle Action: Bolt-Action Caliber: 7.7x58mm Capacity: 5 Year introduced: 1939, Japan Weight: 103 oz Overall length: 50.2" Status: Discontinued Military use: Yes Intended use: Service Rifle