While many of the host options are synced, this isn't mean that if the host enables everyone to have every weapon or disables specific weapons, even the client has no idea and doesn't implement this on their end. #22 would theoretically solve this without needing to sync the arsenal because the host would then control the player's weapon wheel.
While many of the host options are synced, this isn't mean that if the host enables everyone to have every weapon or disables specific weapons, even the client has no idea and doesn't implement this on their end. #22 would theoretically solve this without needing to sync the arsenal because the host would then control the player's weapon wheel.