1971
The model number is 117
It will be marked.
Only Browning knows.
no they are not made anymore
It could be that you have a A-bolt hunter model I,But I am not 100%certain.I can say that your browning bolt action rifle was made in the year 1979 by the two letters in the serial number(RN).
Please contact Browning on this question at the link below
Your browning model bar which was made by FN of belguim for browning in 1969 is running between 400-600 dollars for a rifle with between 60%-95%original finish remaining,and a good bore.
Browning has sn tables on their web site located under customer service.
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.