I talked to this one vender who is a reg. at our local gun shows that deal's only with German ww2 hand guns, and has been doing it for many years And his gun's all way's look great, I ask him what does he use, he said three and one oil, and that's all. I don't think i've heard anyone here mention Three and one oil. is it just because it's old? any one here ever use it?
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