as far as airsoft bb's go, if I remember correctly they are all the same size but the weight is different, like a 20g bb weighs more then a 12g bb and so on.
Originally Posted by Martello
I'm going to have to say that isn't normal. Try one of the plastic airsoft bb, someone else can explain the sizes for me please
Worse comes to worse just seal it off with wet paper towel or silly puddy lol which iis what i had used once.