A gunsmith can help you.
700-1000
You can go to Browning.com and download a BAR manual.
Check the receiver carefully.
Best to ask a gunsmith for help.
Contact Browning Customer Service, and request an owner's manual for your rifle. You WILL need the pictures in it.
What do you want to know?
500 USD
100-1000+ depending on specifics
50-500 USD or more
100-400 USD depending on condition.
Best to ask a gunsmith for assistance.
yes, but not many