r valve drop-in kit

[Mr. Sinister]

I bought an rt valve & every time gas up the mag it leaks air out the back. Anybody got any suggestions? do I need an rt parts kit? All help is greatly appreciated.

[a_malfunction]

Turn the velocity down.

[paintbattler]

yea, that is definatley the velocity. that had happend to me and i did it and it fixed it

[Challe]

or like mine , me velocity was so high that everytime i got gas in it , the powertube o rings popt out like balls then it leakt