Well I know from pb that HPA is much more consistant than c02 or propane. The only issue is that HPA tanks are heavy, unless you get a carbon fiber one which is usuallt about $300. Plus they have to be hydro tested every 3 years. I hope your mod works out for you.
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Originally Posted by Pinard
eeyore, the more I look at your avatar, the more I find it looks like a vagina...
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http://i.imgur.com/wBfBB.gif
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