So, I liked my Millennium G2 so much I bought 2 more at a much better price for my son and daughter. I still haven't bought a mold, yet but finally slugged all three with soft lead. Mine actually slugged .3564" not the .3572" I got with a harder alloy. So I have 2 guns that mic .3564" and one at .3557". I want to reload in bulk and don't want to size 2 sizes. I'm thinking .358" and am hoping some of you can chime in as to whether it will prove effective with both barrel sizes.