Original WWII Japanese Type 89 Display Grenade Discharger Knee Mortar dated 1940 with Inert Round - Serial 74081 U.S. Ammo Overall length: 33 1/4“

Overall length: 33 1/4“

Although light and mobile it was short ranged and fired a small projectile

It is approximately a size 7 1/8 US (57cm)

The 442nd saw heavy combat during World War II

the Spanish mortar did serve as the starting point from which the Armament Research Department could begin development of its own version

Original WWII Japanese Type 89 Display Grenade Discharger Knee Mortar dated 1940 with Inert Round - Serial 74081 U.S. Ammo Overall length: 33 1/4“Original Items: Only One Set Available. Totally non functional and inert, having been demilled according to specifications outlined by the ATF (Bureau of Alcohol, Tobacco, Firearms and Explosives). Not Available For Export. The Type 89 Grenade Discharger, inaccurately and colloquially known as a knee mortar by Allied forces, is a Japanese grenade launcher or light mortar that was widely used in the Pacific Ocean theater of World War II. It measures