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  1. #1
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    glock trigger pull problems


    Hello everyone,

    I'm having some problems with my 21sf. I recently swapped out the connector with a ghost 3.5. I followed the instructions and ran through a function test everything seemed fine. The trigger felt great while testing with a snap cap. Excited to do a live fire test I went to the range. Loaded in a mag and put it into battery and I couldn't pull the the trigger. It was stuck and with the little travel I could produce the slide would move back a few mm. I ejected the slide and cleared the chamber and tried again. I put some force in it and got it to fire. This problem was happening on and off and I noticed when I would practice fire control and didn't allow the trigger to extend all the way forward it would run fine. Put a couple more mags through it thinking it might correct itself but the problem persist. Called it a day and put my glock away.

    Immediately when I arrived home I took my glock apart and put back the stock connector. When the gun is dry fired I have no problems. When I put in a dummy round the trigger binds up and feels stuck. Once I pull it past the sticking point its free and breaks fine. I believe the sticking point is coming from the bump in the trigger bar. I know the trigger safety is operating normally and is not sticking. Any ideas? Thanks for your help!

    I was trying to post a vid of the problem but I guess I got to post a few things before I can post a link.

  2. #2
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    cohland's Avatar
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    How new is this pistol?

    For a moment, I'll assume that it's brand new. If that's the case, look closely at the trigger safety, the part that protrudes from the front of the trigger and is pushed back to allow you to move the trigger back. On some new Glocks, I have seen what a factory Glock Armorer called "flash molding", which is the presence of excess plastic molding on the sides of the trigger safety. That was present in one pistol that was exhibiting a strange "jerky" trigger pull that I saw, and the solution was to very carefully file it flat. This "flash" will appear as two ovals (not perfectly oval, more like Indianapolis Motor Speedway oval), one on each side of the trigger safety. If it's there, and if you can feel it catching the trigger, you can file it flat (with very fine files), and clean it up with fine sandpaper.

    Another thing I would check is the fit of the connector in the trigger mechanism housing. I've seen sticking here on a couple of different (non-Glock) connectors. In order to see it clearly, you need to detail strip the bottom half of the pistol, and disconnect the trigger spring so that you can remove and examine the connector and the trigger mechanism housing closely. The connector should stick out from the trigger housing at the top (or rear), it's designed to spring in and out. If you push it in and out and it doesn't catch, it's fine. If it does catch, my solution has been to remove the connector and carefully file the edge of the trigger mechanism housing where the connector is touching it. Once that's done and the connector move freely, the trigger feel should improve.

    Chris
    Last edited by cohland; 08-03-2011 at 10:21 AM.
    "Better to remain silent and be thought a fool than to speak out and remove all doubt."

    Abraham Lincoln



  3. #3
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    Thanks for the info Chris. I have put over 800 rounds through it and examined the saftey closely and it seems to be operating fine.

    I put the stock connector back in and have the same problems. Ill detail strip it today to examine the trigger mech housing and see if the connector moves freely. I must have bent or did something because before I installed the ghost connector I had no problems. Now with either the stock connector or the ghost I get that same sticking.

  4. #4
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    awfal; Be sure that the bottom of the connector is pushed all the way in to the housing. When you check the connector, be sure that it sticks out from the trigger mechanism housing (at the top) so that it can spring away from the housing when it's pushed back by the trigger bar as the bar moves to the rear. If that connector got bent and doesn't stick out, I would imagine that would lead to some pretty strange problems.

    Your theory about the bump causing the problem is interesting. If we could see a detailed photo of the trigger bar, we might be able to see if there's something odd about that bump.

    Chris
    "Better to remain silent and be thought a fool than to speak out and remove all doubt."

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  5. #5
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    The connector moves freely from the trigger mech housing. It is also sticking out from the trigger mech housing.

    The theory about the bump could be bunk. I cant prove it but I guess I thought about it because when I pull the trigger I can see it moving through the slide and when it gets passed a certain point the trigger moves freely until I pull the slide back as if to check for a round in the chamber.

    I have some pics and a vid but need a few more post to put then up. I gonna take a look around the forum to see if i can be use full for any of the other threads and make some post, come back on here and put up the pics.

  6. #6
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    I'd really like to pin point the problem but I guess worse case scenario I can get a new trigger bar, trigger mech housing and connector and see if that corrects the problem. I was surprised to see how inexpensive the parts are.

  7. #7
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    I don't think you need parts quite yet. Have you detail-stripped the slide to check the firing pin safety? I wonder, if that is hanging up, it would make the trigger bar act pretty weird. Maybe the spring under the firing pin safety is broken, or maybe it's real dirty. Have you stripped the slide before?

    Chris
    "Better to remain silent and be thought a fool than to speak out and remove all doubt."

    Abraham Lincoln



  8. #8
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    Yes I have detailed stripped the slide before. I'll do it and examine the firing pin safety and spring and clean it up. Thanks for all your fast responses.

  9. #9
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    Here's a vid of the problem.


    Name:  IMG_20110803_122806.jpg
Views: 3434
Size:  184.0 KB

    Name:  IMG_20110803_122846.jpg
Views: 4106
Size:  193.4 KB

    Name:  IMG_20110803_122947.jpg
Views: 6511
Size:  178.7 KB

    Sorry for the fuzzy pics that the connector and how it mates with the trigger mech housing.

  10. #10
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    The top of the connector looks funny, maybe sticking too far out/away from the housing. That's a tough one.

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