I've never shot 9mm well, maybe I have weak wrists or maybe I'm just over-thinking it, but after G17s, G19s, & 2 different Berettas, I honestly felt more comfortable & accurate with the .45 offerings
Hence the reason why I choose .45; for whatever reason (maybe it's the push rather than the snap) I shoot .45 much more accurately in repetitious shooting than 9mm.