well sumthing are client sum are server like wep damage can be chnaged by u but its what the servers files that say what the damage is. same goes for explosion radius. the client can change the skin of the shots and stuff ship speed ship harpoints. honestly best wayt o test whats what cause theres a pretty big list, so jus try diff stuff

Mess With the Best Die lIke the Rest

i have tried modded weapons on an unmodded server and they worked, but the same mod seemed to be server side cos wen i hosted all people had thohse weapons