regulator piston what makes them go

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  • automagII
    Registered User
    • Jan 2003
    • 15

    #1

    regulator piston what makes them go

    regulator piston what makes them go bad?
    i know when you shoot under 300 fps and it vents out the back you need to replace it. but i have a new R/T pro lvl 10
    shooting 299 299 302 298
    it vents every now and then. the lvl 10 is set perfect but i had to turn the velocity way up! just to get it to shoot but then the piston vents.
    my input pressure is 750
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