I'd recommend you save yourself some grief and look at a new gun to start out with.

The Citori CXS line is a tremendous value.

Basic plain target guns with good dynamics, a good choke system, decent triggers (mine was 4.5 pounds as delivered), and quite acceptable wood for the price.

You're in the area of $2K.

Guns are in short supply everywhere right now but if you can find a CXS you'll be happy with it I'm sure.

"The price of good shotgunnery is constant practice" - Fred Kimble