I have several gallons of CRC SP 250 Corrosion Inhibitor that is supposed to be a water displacing lubricant. It seems to be good stuff on guns and tools, and I have even used it mixed with Dexron ATF, Boiled Linseed Oil, and diesel fuel to spray my truck frame and undercarriage to prevent rust from road salt.
You have not said what you are using it for, but knowing that you are doing slow rust bluing, I would be careful if you are using it on freshly blued guns. I have noticed that the converted oxide in rust bluing is not super tightly bound to the metal for a while. Some rust preventive oils I have used to prevent after rusting seemed to actually remove a bit of the black oxide. I see it on the cloth when I wipe off the excess. So I use non-detergent motor oil for that particular application.
