Pure lead?

And he lists the 460 NEx as a 0.504. My Omega likes the 0.503 Thors, but figured I might do good with the .504s since I like shooting BH 209 and want a snug fit?

Also, sounds like they do not come pre-lubed? Do you buy his lube or use your own? Do you prelube them to carry in the field, if so , how do you carry them in your possibles bag so the lube is protected and doesn't melt?