100-500 USD depending on condition.
You will have to contact Browning and request a owner's manual or find a good gunsmith
Follow the instructions in the owner's manual
Read the owner's manual or have a gunsmith do it.
1982. Browning.com has a section under customer service where you can get owner's manuals.
If you don't have an owner's manual, take it to a gunsmith
Recommend you ask a gunsmith for help. If one is not nearby, contact Browning by phone or on their web site and ask for an owner's manual.
Follow the owner manual instructions using the link below
If you don't have a owner's manual, find a gunsmith and ask for help.
Check the auction sites.
Impossible to answer.
Follow the instructions in the owner's manual. If you do not have one, go to Browning.com and request one.
The owner's manual, configuration and comparison with known examples.