Ed and Pete thanks for the pointers. A friend has an old H&H that lost its case color, the surface is an even grey patina that gives that shotgun a lot of character. I will try the weak acid on an old piece and see what happens.

I have used naval jelly to remove bluing before but never on case colors. Will give that a try too and see how it works.

Last edited by Shotgunlover; 06/02/13 06:12 AM.