Last paragraph on page 3 of this paper
Yep! . When I read that I got a big grin because I bought an auto-calibrating analytical balance last year that resolves 0.1 mg. I've got a box of 1000 BR2's and powder and 150 pieces of new Lapua brass in 308W. I was going to test weighed primers vs. randomly selected ones with it last year, but the cold weather beat me to it by a couple of days. In the spring I'll do that one.