If your gunsmith isn't familiar with doing dovetails he isn't even worthy of calling himself a gun plumber. Dinny gave you all you need to know. RN is good and has been around for a while. And Grant City isn't too far from Iowa for some geography. Be Well, RustyZipper.

Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy. Its inherent virtue is the equal sharing of misery. Winston Churchill.