Two people calling somebody else a "dumb shit" have both misused the word "your".
You're all dumb shits.
to summarize everybody's opinion: Put your brain back in your head, by a Co2 powered rf20 (or magstrike if there is one), and give up this ludicrious, useless cannon idea. and when did your train of thought skip past paintball tanks?
son, you may be well on your way to acquiring a Bachelors in Failure.
(scuba tanks, wtflol.)
sorry for the 1337speak, but it seemed necessary.