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Thread: Help diagnosing a Glock problem please.

  1. #21
    Member MVS's Avatar
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    Quote Originally Posted by GJM View Post
    Another thought -- I had one G4 MOS, where the screws for the adapter plates reached into the striker channel, and Loctite contaminated that area?
    That is a thought. I need to check that out.

  2. #22
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    So the holes for the screws don't go through to the firing pin channel. I wonder though how tight the firing pin assemble should fit in the channel. I had to give it a pretty good tug to remove it .

  3. #23
    Quote Originally Posted by MVS View Post
    So the holes for the screws don't go through to the firing pin channel. I wonder though how tight the firing pin assemble should fit in the channel. I had to give it a pretty good tug to remove it .
    I actually had a channel liner once that was noticeably tight on my firing pin. Replacing it smoothed the trigger out a lot. Maybe replace the channel liner?

  4. #24
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    Got it stripped down, cleaned, inspected, new channel liner, and reassembled. Don't know if it is fixed, I fired 70 rounds of the Freedom and 30 rounds of S&B with no issues. What I can tell you that surprised me a bit was that removing the DPP and the mounting plate and then putting them back on resulted in a huge lateral shift in point of impact. I had to really crank it left to get it rezeroed.

  5. #25
    Quote Originally Posted by MVS View Post
    Got it stripped down, cleaned, inspected, new channel liner, and reassembled. Don't know if it is fixed, I fired 70 rounds of the Freedom and 30 rounds of S&B with no issues. What I can tell you that surprised me a bit was that removing the DPP and the mounting plate and then putting them back on resulted in a huge lateral shift in point of impact. I had to really crank it left to get it rezeroed.
    Hopefully, this is the fix to the ignition problems.

    That is surprising on the DPP, as I have moved several from pistol to pistol, with only a tiny bit of fine tuning on zero required. Makes me wonder if there was something up with a base plate screw either before or now?
    Likes pretty much everything in every caliber.

  6. #26
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    I figured it was the mounting plate to the gun where the variance was, not the DPP to the plate. Not sure though. I took the DPP of the plate while at the range and put it back on and it didn't change.

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