I think I've read that the Type 97 came in 81 and 90mm. Just another example of the logistical nightmare that the Japanese had with all their variations.
a 60 round belt of 30-06 blanks, 2 dummy grenades, a 30mm dummy round, and .50 BMG, a m-1 helmet and GI belt/ harness rig with a M-1 bayonet
I only took a pic of the stuff that doesnt go boom.