For a few various reasons I'm not impressed with FN Five-seven as a carry weapon.
I'm also not impressed with some of this failures I've read about... for example:
http://thehighroad.us/showthread.php?t=362563
At first I thought it was another case of an idiot hurting himself with hand loads, but that doesn't appear to be the case.
(EDIT: Apparently it was another idiot hurting himself)