Not yet. I really should, but am down to 2 pounds. I still have 7 pounds of IMR 4350, so I'm saving the H
. I really should load some up with H4831 and see how she likes that powder with the 150's...A buddy has a lot of H4831, but I don't want to ask about it as he's already helped me out tremendously with 348 win brass and 338 win mag brass.