Thanks James and BBB. I suppose I will learn what I need to know eventually. I see that the mainspring vice is not an expensive tool and I see your point about having one. I should have ordered one with the nipple and round ball that I ordered from Track of the Wolf today. I'm in the process of uploading photo's and will post when it finally gets done.
I researched the replacement barrel before the gunsmith declared this barrel safe to shoot. I really like the idea of one of the rifled barrels and may end up doing just that at some point.