I'm trying to decide whether keep my CZ Scorpion or get an MPX.
BTW, there are some known issues with the MPX. Make sure you do a little research to see if they're boner killers.
http://www.stevejenkins.com/blog/2015/06/sig-sauer-mpx-charging-handle-problems-can-be-fixed-with-a-paper-clip/...