FWIW...
I Think its a great product. I've been using it since the mid 90's doswhat it says it does really helps keepthe barrel easier to clean.
However I started using a better "synthetic" product called Eesox give better overall corrosion protection.
http://www.eezox.com/gun-care.html
As with either product the more you treat your firearms with it the better the protection.
\
Peace
Steel Talon