RE: Lubriplate
I don't know about now but years ago the Marine Corp used a version of
Lubriplate on their weapons, both as a lubricant and as an anti rust
coating.  I still have a can of the stuff and still use it.  That version
had one drawback.  It was a paste and if you got it on to heavy it would
grab and hold grit.  The secret was very light application that left just a
film between rubbing surfaces.  Great product and I'll assume that their
related products are as good.