I think you are correct Muley, I never used bore butter or any other concoction, I use spit wet patches for round balls so no plastic has ever gone down or came out of my barrel and I will continue to use hot soapy water and not worry about it. Now as for those frontloading modern rifles that are just a centerfire without a cartridge but with a modern primer, that are being passed off as a weapon for primitive seasons, never had to clean one, and most likely never will