You may be able to find an instruction manual on eBay or Auctionarms.com
The Miroku shotguns will typically bring 80% of the value of a Browning Citori in similar condition.
Possibly if it is a Browning made by Miroku.
Miroku began making guns for browning in 1976.They also began making firearms for Winchester in the late 1990,s.Both firms contracted with miroku to make firearms because of cost factors.
Miroku
It MAY- depends on which Browning and which Miroku. Browning moved production of some firearms to Japan, where they were produced by Miroku- so there IS some relation between them. Really need to check with a gunsmith, or staff at Numrich, gunpartscorp- with their staff.
Japan by B.C Miroku
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.
In the book I'm looking at, it doesn't distinguish between the 2. (I'm not that familiar, just looking in a book (gun list standard catalog of firearms) sidenote- It says your BSS sidelock (and there are several different types of BSS guns) was actually manufactured in Korea b/t 1983 and 1987. Miroku produced guns were imported and produced by a variety of companies such as Charles Daley, Browning, Winchester, and SKB. No actual guns are listed Miroku B.C. brand guns. If one gun says Browning made in Japan, and the other gives the Miroku brand name on the gun, but both are made for Browning, then I think you just are looking at different production years. Hope this helps. -Rick Yes. The sidelock is recognized as a better action than a boxlock. Also, the boxlock came in a plain field grade while the sidelock came with better wood and engraving.
More information is needed. Is this a Browning? What model and what condition?
From the start all browning guns were made by FN of belguim for browning between 1903-1975.After that all guns were made by Miroku of japan.
FN (Fabrique Nationale) since day one, Miroku since the mid 70's