I have a guy that wants to sell me his Dan Wesson, Blue Steel, .357mag with 6 inch barrel. It interchanges with other Dan Wesson barrels but he only has the six incher. He bought it 10 years ago to target shoot for $250. Now he wants it out of his house. He has no idea what it's worth and neither do I. I don't want to screw this guy but I don't want to overpay either. Any suggestions? I noticed on Auction Arms that these are not generating much interest from bidders.