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Thread: On/Off leak

  1. #1
    Join Date
    May 2005
    San Diego, CA

    Question On/Off leak

    Getting the oddest leak from my X-valve/L10/ULT. Whenever I gas it up, there appears to be a leak from the on/off region. Replaced all o-rings (except powertube, powertube spacer/washer, and carried). New reg valve pin and reg piston assemblies. If I press the trigger, the marker fires and the leak stops, but resumes as soon as the trigger is released. Any advice/suggestions?

  2. #2
    Join Date
    Jun 2009
    Toss in a stock on/off from another mag to make sure it's not a barrel leak.
    Last edited by Ando; 11-04-2012 at 05:38 PM.

  3. #3
    Join Date
    Jan 2002
    Halifax, N.S., Canada
    Yes, sometimes a barrel leak can sound like its coming from the on-off area. If it is an on-off leak, it would have to be either the small black ULT oring, or the large white urethane oring around the lower (closest to the outside of the valve) section of the ULT assembly.
    Except for the Automag in front, its usually the man behind the equipment that counts.

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