Original WWII Japanese Type 89 Display Grenade Discharger Knee Mortar dated 1940 with Inert Round - Serial 74081 U.S. Ammo the Spanish mortar did serve

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

To put it briefly

Overall an very good condition triple etched Imperial German Officer's Sword from the Duchy of Brunswick

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

This is definitely not the type of alteration that would be done outside of an arsenal

Original WWII Japanese Type 89 Display Grenade Discharger Knee Mortar dated 1940 with Inert Round - Serial 74081 U.S. Ammo the Spanish mortar did serveOriginal 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