If the neck dia. isn't stamped on the barrel, it should be. It probably only means that it's a chamber for unturned cases, but on a rechamber it should still be there.....as DAA pointed out, it could mean amateur hour. If the owner doesn't know anything about that chamber, not a good sign. Definitely find out who did the work and get hold of him. And if the owner can't tell you or doesn't or just doesn't want to say, it could've been his buddy playing gunsmith for all you know. Regardless, at $1K that's nowhere near a good deal. I'd shine it on. Build your own gun for that kind of money.
