[John Sabato]

Hey guys... you are playing with matches and somebody is going to get burned.

Weapons designers put enough protection in the design of the breech of a weapon to hold a good bit more pressure than the cartridge it will eventually fire for safety's sake... But the difference in power between the two cartridges 8mm Nambu and 9mm Luger is just too great...

You will be lucky if you fire it that the bolt doesn't shear off whatever holds it that tubular receiver and plant itself distinctly into your eyeball socket...

I strongly discourage the adaptation of the Nambu to the 9mm Luger cartridge... even if it worked with underpowered ammunition, someday someone will unknowingly put a Plus-P round in that baby and it will time for a casket for the shooter! Don't Do it!