Used a old Visine eye dropper, it mixed well, stayed white. It flowed well and carried the hBN. Drilled the center of dropper, as is it didn't want to come out while pointed down. At this point it reminds me of spray lithium grease. I put it on a AR bolt and locking lugs, it flowed, it coated...
I coat jacketed bullets, as mentioned. I feel like using it as a lube would have merit. I have wondered if it could be added to cast bullet lubricant. It would not take much.
Fascinating thread, my avatar is a photo of the Pottimus reflected in a clear container with a red liquid known to reduce callbacks by 88%. Were I the advertisers for the corporation of the maker of the liquid and the faulty container that is known for leaking the fowl smelling contents all...