I'm with Dolomite, melonite is not a finish/coating. It's a treatment that penetrates the metal's surface and case hardens the material while giving the surface a nice black color. While it may be possible for some chemicals to strip away the black color from the surface, I doubt they can remove the metal's hardening. I have 3 other rifles, a POF P308, an AR15 with an Adams Arms upper and a Sig 556R, with melonited barrels and other parts and I have yet to see any adverse effects on them from any cleaners or solvents.
Thanks for the suggestion Lupin8or but I'm looking for something that wi