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Thread: Odd Zeroing Issue with Gen4 Glock 34...

  1. #1
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    Odd Zeroing Issue with Gen4 Glock 34...

    At 25 yards, I found that my Glock 34 was printing about 4" right, with a great deal of vertical stringing (groups were around 2" wide and 6" high.) It feels like the gun might not be locking up consistently from shot to shot. Has anyone else ever experienced this? Anything I should look at?
    -C

    My blog: The Way of the Multigun

  2. #2
    Chris, I have two Gen 4 34's, and like my Gen 4 17 and 19's, they require a .235 front to match my Warren rear, but shoot 2-3 inch groups at 25, with the rear sight in the same position as the 17/19's.

    JV also has 1 or 2 Gen 4 34's and may be able to comment, although as I recall, his 34's are like mine.

  3. #3
    Member orionz06's Avatar
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    Two Gen 4 G17's are more accurate than my 3's.
    Think for yourself. Question authority.

  4. #4
    Site Supporter Matt O's Avatar
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    Quote Originally Posted by orionz06 View Post
    Two Gen 4 G17's are more accurate than my 3's.
    Same, my gen 4 definitely displays a slight edge in terms of accuracy over my gen 3's.

  5. #5
    Dot Driver Kyle Reese's Avatar
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    Quote Originally Posted by orionz06 View Post
    Two Gen 4 G17's are more accurate than my 3's.
    Same for mine.

    Sent from my ADR6400L using Tapatalk 2

  6. #6
    Member JHC's Avatar
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    Quote Originally Posted by orionz06 View Post
    Two Gen 4 G17's are more accurate than my 3's.
    Same across our Gen 3 vs Gen 4 battery.

    But the OPs issue sounds pretty strange. If one can elimate really bad ammo as a variable, something sounds amiss. But I don't know how one can easily observe a lock up problem; it all happening so fast and all the explosion noise and such.

    One thing I find odd about my new Gen 4 G34 (1200 rds thus far of accurate reliability) is it seems very lightly sprung and the slide will move out of battery with very little pressure. Very different from our earlier Gen 4 17s and 19s.

    Just for grins, can you (Chris) get some replacement RSA's and try them out? Personally I thought the best flat handling of all of our Gen 4's was my first Gen 4 G17 bought in March 2010 with the original unmarked RSA that was the same as for the G22. I sold it to my elder son and it's got 10-11K rds of success with that RSA. It's a training pistol and we're curious how long that heavy spring will go. At 10K I can't tell any difference retracting the slide as when it was new. It's heavy.
    “Remember, being healthy is basically just dying as slowly as possible,” Ricky Gervais

  7. #7
    Member Sparks2112's Avatar
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    I just set one up with a bar sto match barrel and have been incredibly happy. Take a look at your locking block and FCG. Mine was all sorts of machined poorly.
    J.M. Johnston
    Host of Ballistic Radio - Sundays at 7:00 PM EST on Cincinnati's 55KRC THE Talk Station, available on iHeartRadio

  8. #8
    Member JHC's Avatar
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    Quote Originally Posted by Sparks2112 View Post
    I just set one up with a bar sto match barrel and have been incredibly happy. Take a look at your locking block and FCG. Mine was all sorts of machined poorly.
    NEAT! Have you benched it at 25 yds and seen anything SICK from it?

    And btw - what does FCG stand for?
    “Remember, being healthy is basically just dying as slowly as possible,” Ricky Gervais

  9. #9
    Member fuse's Avatar
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    Member JHC's Avatar
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    Thanks
    “Remember, being healthy is basically just dying as slowly as possible,” Ricky Gervais

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