they have more moving parts than a glock, it's like a mechanical watch inside those things, a mechanical watch that requires hand-fit parts, that gets dirty and gunked up and undergoes dramatic shocks when used
i've seen them jam more frequently than autoloaders, and when they do, you gotta unscrew the sideplate (which required me to also remove the grip) and fiddle with its bits
so, if you want a reliable defensive pistol, go with something like a glock
i still think they're neat