I have a 1920's era 30-30 winchester model 94 lever action, nickel steel barrel. I have inherited this beautiful weapon and am embarassed to say, as a much younger man at the time, i was responsible for using an (sos) pad in cleaning it for my dad. Never touched the barrel, lever, or wood. Just the outside of the chamber areas. It has noticable light scratches and obviously the blueing is gone. Any advise on the best way to restore, if any, the petina of the rifle? Any suggestions would be appreciated.