I found the problem, is the mag, when you but your finger on the chamber (the hole where gas go out) and push the valve, the gas come out normal, but when you put it upside down, and put the finger on the chamber, and push the valve, the liquid gas come out on the finger (cold

)... So whant could i do to ignore it? Maybe my gas is bad? I using this one
http://airsoft.cz/shop/images/gas1000ultra_m.jpg but not red, GREEN! Maybe i put to much of gas, or it not mixed or someting?