Ask a gunsmith for help
Its about $550 @ basspro
The Invector Plus choke tubes were first introduced in the 1989 Browning Catalog which was published in October 1988. Keep in mind that the Invector was already standard on most shotguns and the Invector Plus was slowing being made available to many models. The Invector Plus choke tube system was available first on BT-99 models and then the BPS and high grade doubles.
Starting in 1983.
Need a detailed description
100-700 usd
Depending on condition $300-$450
Never heard of a model 22 BPS. A Browning BPS in 20 gauge can vary from 150-400 depending on condition.
50-550 usd
Best left to a gunsmith.
The 2 letters NX in the middle of your Browning Invector pump action shotgun indicates that it was made in the year 1993.
50-500 uSD