^^THIS. People seem to afraid to strike out on their own and try a reputable product without validation from others. Unless a response is from an expert in lubrication, everything is opinion only.I do not think there is a "best lube" as you ask and others have answered, take their advice and try your own ideas. I have always used fully syn auto trans fluid. Great for hi temp and cleans as well. I have used it for years on all my weapons.
After watching a YouTube video, thought I would try it.Ballistol - check online.