Retro Valve recharge/reactive problems

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  • gx3man
    Registered User
    • Mar 2004
    • 51

    #1

    Retro Valve recharge/reactive problems

    I just bought a ReTro Valve Micromag from a friend of mine. After getting it home here I pulled it apart, lubed everything, cleaned it, and put it all back together. I also retuned the level 10. Now, correct me if I'm wrong, but even with the level 10 in there shouldn't the trigger be pushing back out against my fingers? I seem to remember it doing that before he put the level 10 in. Right now I pull the trigger, it fires fine, but there is a slight delay before it kind of "nudges" my fingers a little bit, it almost feels like a classic valve. Nothing like the other RT valves I've fired.

    I'm using a fixed output 850 psi tank, which has been enough to get me some good reactivity on other mags I've used. I'm not trying to "sweetspot" or anything like that, I'd just like some reactivity so I don't shortstroke as much. I know all about shortening the on/off pin but I'd rather not, especially since this gun seemed to work fine in the past. It's almost as though something is getting stuck and keeping it from recharging quickly. It will also chuff pretty easily if I don't pull completely, and I mean pull the trigger back to the frame. Any ideas would be great, it technically "works" as is but it's nothing like it should be. The ideas I've had so far are...

    Level 10 is affecting it somehow, not sure how. Maybe a new reg piston so I can turn the adjuster in further without it hissing? Not sure how that would affect the reactivity though. The carrier in there right now barely grabs the bolt, any smaller and it hisses like a mother, so I believe that's not the problem. Using the medium spring.

    On/off pin. Never was a problem in the past, but maybe it's worn?

    O-rings. The gun hasn't been used in a long time, is it possible an o-ring is sticking and keeping it from recharging quickly?
  • gx3man
    Registered User
    • Mar 2004
    • 51

    #2
    Well, in case anyone cares or runs into this in the future, I e-mailed ProTeam Products about the on/off pin length they recommend and got this response.

    It is actually slighlty different for each individual gun. The pin
    length will determine the amount of reactivity as well. The shorter
    the pin the more reactive (until you go over the line...). We find
    that the .725 ballpark seems to be the most common, although I've
    seen length down around .700. .750 is the place to start and work
    from there.

    Regards,

    Forest
    So I started with my .750 pin and sanded a bit at a time. Right now at .740 it's nice and reactive without being able to make it go full-auto or sweetspot, which is just what I want. Hope this helps anyone with a micromag.

    Comment

    • Tunaman
      Specialized AGD Tech

      • Dec 2000
      • 8643

      #3
      This is why I hate MicroMags...
      Email me for low prices on ALL AGD Products and more. [email protected]
      Tunamart

      Comment

      • gx3man
        Registered User
        • Mar 2004
        • 51

        #4
        Yes, well, I realize it's not a true "AGD Mag", but I was hoping I'd get more feedback on my problem than "I hate Micromags". Someday I hope to build myself a nice custom ULE, but this was all I could afford for the time being.

        Comment

        • Cow hunter
          300fps=204.54mph
          • Aug 2005
          • 1521

          #5
          have one, know almost nothinag about how its different from my other mags, so i treat it the same and it preforms how it should.....

          try un-lubing everything..... too much oil maybe?
          check if the sear sits right, and how much distance is between the pin and trigger

          Comment

          • gx3man
            Registered User
            • Mar 2004
            • 51

            #6
            I think the problem was the on/off pin. Why it acted up now I have no idea, but as per Pro Team's instructions I filed the pin down until I had the reactivity I wanted. From what I've seen around here micromags are basically the same but the tolerances are a little more generous. Doesn't seem like a big problem to me, as most of the parts that require exact tolerances are in the valve, which AGD made. The on/off pin seems to be the only part that could give you serious grief that I can see, and now that I know what to do about it the gun seems to be working great.

            Comment

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