i have never known that happen before the ones i come accross were threadlocked in
its been a while since i opened one, presuming it stays in place with the other internals in its fine but if it has a little wiggle room like i think it does it could really stuff up performance and act irratically, and youll then have to leave a game to repair providing someone has the screws, really should phone justpaintball and get some new ones put in before you next use it