The GAU-19 lube is even worse. It's also referred to as elephant cum.
If you don't have the cover closed when you optest it, anyone standing next to it will look like they were on the receiving end of several money shots.
I just found out the GAU-19 existed. This is the first time I've ever been jealous of SWOs. You win today, but tomorrow I'll go piss away flight pay on some booze, so HA!