This happened a number of years ago. I aquired a used Super Blackhawk that was in rough shape. Had some rust and some home gunsmithing done to it. Then I left on a 6 month deployment and when I got back found out that my Dad let my brother use the pistol and when I got back it was in even rougher shape. My Dad and I talked it over and he said that he would make it right. Soon after that I received orders to go to Okinawa for 13 months and when I got back Dad handed that Super Blackhawk over to me and he had kept his word he had that revolver looking totally different and almost new. He said that Marvin (the local gun smith) recommended this new metal finish called Nytex (this happened in 1977) which was Marvin claimed it would make the gun nearly rust resistant. Marvin cut the barrel back to the ejector rod housing and squared the barrel and recrowned and a brand new front sight,and a trigger job, and sent off to be Nytexed. Dad said that he was impressed how the gun turned out and would buy it from me if I did not like it.
I still have this Super Blackhawk today. I don's know how many rounds I have put through it but it has been alot, and the Nytex finish has been impervious to rust, cleaning solvents, scratches, holster wear, and still looks great still today.
But I cannot find out what kind of metal finish process Nytex is and the gunsmith I go to now does not know of anything called Nytex or any simular finishes, and recommends "hard chrome" as the best finish for any pistol or revolver. My question is what is nytex and where do I go to get it done???