That may well be, BB, but I don't know specifically. My understanding was that (depending on the formulation of the era, perhaps), that Rangoon might be thinner than a lubricant. I personally use a very thin film of vaseline for the parts that move against each other, and Ballistol as protectant.
Regarding cartridge extractors, I will post pics of my meagre stash but in the meantime here is an excellent blog on the subject for anyone interested - just copy/paste to your browser and then take the space out of https:
h ttps://finesportingcollectablesltd.co.uk/blog/cartridge-extractors-their-development-and-amazing-variety/