Originally Posted By: keith
I never had any rust problems with Clenzoil, but the receiver of a Mauser mod. 66S turned purple. I understand that high nickel content can cause this and maybe no gun oil would have prevented it. Too late to go back and try something different. But I do wonder.


Well, don't wonder, because Clenzoil did not have one thing to do with your Mauser turning purple and I doubt high nickel content did either. Likely some other content in the steel.

Ole Cowboy