What gauge and grade is it?
300 USD or so
500 USD or so
I don't think there is an invector plus model. Invector Plus is the choke system Browning uses on newer shotguns.
Never heard of a model 22 BPS. A Browning BPS in 20 gauge can vary from 150-400 depending on condition.
Need a detailed description
About $300-$400 depending on condition and barrel configuration.
100-1000 USD or more depending on specifics