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AFAIK, Browning never made a model 810.
No such model made by Browning.
Yes, Browning made the B80.
A model 1200 made by Browning is unknown. No such model exists. Winchester made a model 1200 Shotgun, perhaps that's what you are looking for.
Browning never made a Model 51 shotgun.
Your Browning BLR model rifle was made in the year 1969.
Made in 1989. You will have to call Browning to find out the exact model
If your Browning auto-5 shotgun is a 12 gauge model then it was made by FN of Belguim for Browning in 1907.If you have a 16 gauge model,it was made in 1921.
It was not made by Browning. The old Holland gun Co of Europe made a climax model in the 1800's.
This Shotgun was made by Stevens their model. 520. Made from 1930's to 1950'S Although the shotgun was Browning patent marked, it was not made by Browning.
Made in 2003. You will have to call Browning to find the model.
Browning never made a model 306