Joe - here is a trick to watch out for - see a gun in a showroom or being sold by someone - the bores look pretty clean except for one or two smallish pits.

You think to yourself 'I'll get those taken out no problem' and see the gun as a bargain. When you buy it, take it home and measure it, you find the seller has already lapped it out to very close to the limits of that proof size and if you take another thou' out you take it out of proof and make it illegal to sell.

I have seen guns sold by well known dealers ten yers ago that selers have brought to me with a price expectation, only to find the bores close to proof max - they had paid top dollar for a 'pristine' gun.