If you use propane, like p.presh said, don't storaging with fully gas filled, the pressure of propane could push the end wall of the tank a bit wide open. Would it become trouble in long run, may be? Most or all of the Japanese airsoft are designed for HFC-134a, around 80psi. But propane is 130psi. Pot metal may not strong enough to hold it in shape. This gas tank is too wide and long inside, shouldn't only three lock pins for support, should at lease using one screw at the centre to hold the wall in place. If you just using HFC134a gas would be fine.
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Last edited by N_Force; November 6th, 2013 at 05:10..
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