ok. bigs ur right those little things wouldnt get u far. what about a 20 or 30 oz paintball canister? and pgs, it would stink but its alright i just need to kno how to build a cheap getto one cuz i cant afford to rent or buy tanks. thank u all for the info please post pics and instructins if u find any setups with paintball canisters:hippy::thumbsup::rasta: