It´s more difficult for refs spotting a hit (with a clear hopper!) - same reason as for having only one sticker at each side! At least that´s my take on it........
And yes - orange coloured/filled paintballs are indeed allowed, but no other "objects"/gear/etc. may be in that particular colour. However pink and red FILLINGS are prohibeted.
And yes - orange coloured/filled paintballs are indeed allowed, but no other "objects"/gear/etc. may be in that particular colour. However pink and red FILLINGS are prohibeted.