I have aged metal with mustard, apples, vinegar, orange juice, etc. Anything with a little acid in it. Never tried it on a case hardened tho.
I have heard that there is some method out there that can actually restore some the case colors but not sure how it is done. Anyone heard of this before? Apparently, if there is enough left and just dull, there is some thing you can use to clean or restore or something to bring them back a little (not like new). I've heard entrances do it if they had to make repair and blend back in. Anyone?
Ray
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