Jap Nambu 1937
Jap Nambu 1929
Caliber 8mm
4 1/2" Brl
Other - See below for markings.

Missing parts that I can identify:
Safety
Firing pin
Mag
Grips
Grip screws
Trigger is stuck in the rear position.
 



.
 



Number on mag release matches serial #



Bore is excellent.



KATS Firearms