No, I don't work in the ballistics field. Just been a long time shooter. I have a passion for ballistics, and all things around cartridges, reloading, shooting, etc. I also tend to listen to people who do work in the field and those with vastly more experience. I don't recall exactly who came up with the formula, but it is something I learned a long time ago and although it's not an exact science it holds true in the overwhelming majority of load data. It's every bit as good an explanation for overbore as any that exist.
Hey rockchuck, BS??? You have something to refute it? What's your credentials in the professional ballistics field, bubba?
