Quote:
One question for the Chemists: The factory stainless steel barrel of my 10-22 keeps getting nasty rust spots on it just sitting inside by the back door, would it be possible to treat the barrel (after removing it from the action, of course) in citric acid solution to calm this down? 140* for an hour, perhaps?
Gear
Yes, exactly. The solution should remove the rust and passivate the surface. Clean the barrel inside and out thoroughly. I would not advise heating beyond 140*F for so. Use a 10%max solution and soak for an hour. You must air-dry for 24 hours+ after passivation-- warm air drying is best. Do not apply oil before then.