Alls I know is that it performs well in the "FBI Tests" and performs admirably, if not better than ammo already proven in real world shootings.....
See Hornady's site and/or the current issue of American Rifleman. ( I think, I can check later for sure on which issue I saw it in.)
You do realize that the current "real world proven" ammo was also unproven when first introduced?
Niners Club #950-G17 FXxxx US-Advantage Arms kit for G17
Sold G21 ACCxxx US
Finally old enough to know how much I don't know.