<blockquote id="quote"><font size="1" face="tahoma,verdana,arial" id="quote">quote:<hr height="1" noshade id="quote">Originally posted by fullmetaljacket
[br]I would not use a <i>bottle</i> full of flour for paintbally/airsoft, it's far too dangerous. It would be a better idea to make a cylinder out of aluminum foil and have it appropriately supported by a sabot on firing.
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I wholeheartedly agree with FMJ here. Even if you cut the sides up EC, you have to remember that the bottle (if it doesn't come apart just after leaving the barrel) will still be travelling at a good clip. Plus, it'll have the added weight of the flour behind it. Personally, i'd rather not have a several pound cut up plastic projectile that sprays flour everywhere flying towards me. At least with the foil that FMJ suggested, it'll easily break up on impact. Pop bottle plastic is hard, even if you cut it up and put some token foam on the cap.
As an alternative, maybe try something a little less deadly, like cheap plasic baggies with a piece of tape over the end to keep it shut. Used with a proper sabot, of course