The second WW2 Japanese Heavy Mortar.
The Type 2 120 mm mortar was considered an effective mortar by the Imperial Japanese Army; however, its production only commenced during the latter half of WWII, and its overall service action was limited.
WW2 Japanese Type 2 120mm Heavy Mortar (2)
Great work Dave
That is cool- nerver knew the Japanese had a heavy mortar like that in service.
Cheers,
Pete.