You will have to contact Miroku to find out.
You will have to contact Miroku
No published sn data.
If it was made for Browning you can tell by the serial number.
The letters NZ in the serial number indicate that your Miroku made Browning was made in the year 1991.
Depends on how old it is. Have it checked over by a good gunsmith
Miroku was making shotguns for different firearms Companies before Browning came along. Charles Daly was one of their biggest customers for shotguns. More info is needed to determine which gun you have. This is not a Browning serial number.
Sorry- no public records. You can try contacting Miroku.
can't be answered without the serial number.
No sn data outside the factory
Made between the years 1986-1989.
The Mossberg 800 series was made between the early sixties to late seventies.