Need a detailed description
Starting in 1983.
Around 450-500 dollars depending on condition and options such as engraving it could be more or less.
100-700 usd
Ask a gunsmith for help
50-550 usd
Best left to a gunsmith.
Never heard of a model 22 BPS. A Browning BPS in 20 gauge can vary from 150-400 depending on condition.
The 2 letters NX in the middle of your Browning Invector pump action shotgun indicates that it was made in the year 1993.
If you don't have a manual, request one from Browning. If you can't wait, find a good gunmsith
Its about $550 @ basspro
50-500 uSD
Try the links below