No.
Check w/ Browning, but I think you are correct- BOSS will interfere with iron sights.
Grips, magazines, sights.
Best to ask a gunsmith for assistance
No
50-500 usd
Most aftermarket sights are fiberoptic types such as Williams FireSights or the Tru-Glo sights. I dont know of any specific target applications.
It would be worth approximately $125.
Did you go to Browning on line? Most gun sights will tell you. Mine is #303xxx and was made in 64.
This type of information is not published. Perhaps it would be best to request that information from Browning directly. As a rule, Browning has never released production figures, but simply the serial number sequences.
Impossible to answer without a detailed description of ALL markings, caliber/gauge, barrel length, sights, stock, etc
Ask a gunsmith for assistance to prevent damage.
50-500 uSD