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Thread: Glock 39 bedeviled by light, off-center primer hits.

  1. #21
    Would it help if they have an ingrained belief in Glock Perfection?
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  2. #22
    Site Supporter Lon's Avatar
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    Do you have access to another 39? If you do I would swap out the complete top end from the other gun(assuming it has had no issues) and shoot it. If there are no issues, then you've narrowed it down to something in the top end. Then I'd start with putting the other barrel in and shooting it. It seems like you've switched out everything you can except for the slide and barrel.
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  3. #23
    Gray Hobbyist Wondering Beard's Avatar
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    Quote Originally Posted by Tamara View Post
    Well, having switched the FSB and extractor assemblies between the two guns, the 39 is still having light strikes and the 37 is still running like a top.

    The 39's problem has persisted through cleaning, degreasing, and replacing every single component except the frame, slide, barrel, slide lock, and slide lock spring.

    I'm stumped.
    There's something in the firing pin channel or the channel's walls have some deformation?

  4. #24
    Quote Originally Posted by Wondering Beard View Post
    There's something in the firing pin channel or the channel's walls have some deformation?
    Perhaps a length gauge to check the FP channel?
    #RESIST

  5. #25
    Hillbilly Elitist Malamute's Avatar
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    If nothing else pans out, have you considered trying to push the slide firmly forward each shot to see if its moving, and therefore hadn't been fully into battery for some reason?

    Will a barrel from a similar caliber but longer barrel function if one of the exact same model isn't available to try?

  6. #26
    Hokey / Ancient JAD's Avatar
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    The last time I was stumped by a gun, i sent it back to the manufacturer, and they fixed it. I read the thread again, and I can't figure why this gun isn't going to Smyrna.
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  7. #27
    Site Supporter Tamara's Avatar
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    Quote Originally Posted by JAD View Post
    The last time I was stumped by a gun, i sent it back to the manufacturer, and they fixed it. I read the thread again, and I can't figure why this gun isn't going to Smyrna.
    It likely is now.
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  8. #28
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    Tamara,

    Has it had this problem from the beginning or did it begin after some use? If it started after initial good service, then I'm stumped like all the rest of us here. If the problem was since it was new, then it could be an off axis chamber. The very first G19 I bought in 1988 (!!) displayed similar problems and we found it was part of a run of G19s that had the same machining issue. Glock replaced the gun and quickly.

    Just a thought...
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  9. #29
    Deadeye Dick Clusterfrack's Avatar
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    Quote Originally Posted by Malamute View Post
    If nothing else pans out, have you considered trying to push the slide firmly forward each shot to see if its moving, and therefore hadn't been fully into battery for some reason?
    That was my thought as well because of the off-center strike. Also, compare lockup with shell chambered to empty chamber.
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  10. #30
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    I'm actually more comfortable working on 1911s than Glocks...every time I fiddle with a Glock it effs something up so bad that I just throw my hands up and say screw it.

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