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Thread: Pump mag leaking

  1. #1

    Pump mag leaking

    Been working on my pump mag, and it has developed a slight leak down the barrel, but only when it is in the fired/bolt forward position. If I cock the bolt back no more leak. I am thinking this is just the spacer o ring, I would not think I would need to change the spacer? I am running a minimag valve.

    Here is another question, This valve has a spring in the tube. I never have taken it apart before today, so never noticed it. I looked on the AGD home page and didn't see any reference material for it. Any info would be appreciated

    Thanks
    Last edited by wd3d; 04-13-2014 at 11:52 AM.

  2. #2
    Join Date
    Jan 2002
    Location
    Halifax, N.S., Canada
    Posts
    7,368
    If it is leaking after you fire, the wave spring may be holding the bolt too far forward for the spacer/spring you have installed in the powertube. Try a shorter powertube spacer.
    Except for the Automag in front, its usually the man behind the equipment that counts.

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