Leaking pump mag

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  • keiko_819
    iamtheRAGE

    • Oct 2006
    • 1173

    #1

    Leaking pump mag

    I got a power tube spacer kit and put the smallest spacer it came with(.215) and every once in a while it will still leak down the barrel...I guess the question is, can I get a smaller spacer or do I have to make my own? If it matters it's an x valve with a rt on/off. I also have another pump mag with a stock classic valve ańd stock on/off that does the same thing every once in a while...thanks
  • Cyco-Dude

    #2
    Originally posted by keiko_819 View Post
    I got a power tube spacer kit and put the smallest spacer it came with(.215) and every once in a while it will still leak down the barrel...I guess the question is, can I get a smaller spacer or do I have to make my own? If it matters it's an x valve with a rt on/off. I also have another pump mag with a stock classic valve ańd stock on/off that does the same thing every once in a while...thanks
    is it a constant leak, or intermittent? does the leak stop when you hold the trigger? have you tried cleaning the o-ring and power tube, and re-oiling the o-ring? have you tried replacing the powertube o-ring?

    just to be clear, it's a leak coming out of the barrel, and not someplace else, correct?

    have you tried putting the valve into a stock automag to rule out the pump kit stuff causing issues?

    Comment

    • keiko_819
      iamtheRAGE

      • Oct 2006
      • 1173

      #3
      It's a new power tube oring(well lubed), I did run the valve in another mag without the pump and the leak was about the same(every once in a while)...

      Comment

      • Cyco-Dude

        #4
        i would put a new power tube o-ring in. even new o-rings can be bad...it's rare, but i've had it happen. occasionally you get one that's not quite the right dimensions.

        if you've tried a few and they all leak, i would look at the bolt and sear. how worn is the bolt lip? is the sear damaged at all? is the trigger rod length correct? are you using a regular or rt on/off? if you're using an rt on/off, what is the on/off pin length?

        Comment

        • athomas
          Of course it works-its AGD
          • Jan 2002
          • 8039

          #5
          I would go with a shorter powertube spacer, but you will have to grind one down yourself.

          If you have access to a spare powertube tip, shorten it where it contacts the spacer. That way you can use it to ensure you have the shortest spacer distance when using it in a pump mag. The shorter tip can be supstituted with a regular powertube tip when you want to use the valve in a regular semi-automatic mag.
          Except for the Automag in front, its usually the man behind the equipment that counts.

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