I have been putting together a CO2 tank for the 40 over the last couple of days. I found that MagicMtnDan DYI thread was a ton of good info and was nice to have links to the venders. The one thing I have found out and thought I would pass along is that he regulator from Outback Air is now 10.00 higher and freight is $15. I found a welding supply house that has the same regulator they use and you can get different PSI setting for 40 plus shipping. It cost me 49.00 to my door. The vendor is www.weldingsupply.com (RP320100). I am just using a 10# tank from the welding shop so I can just swap out when needed and not worry about hydro date and finding a place to fill. Hope this can help somebody down the road.
Jim

Jim
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