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Thread: LL's "Almost Guaranteed to Work fixes for Gen4 Glock 9mm issues"

  1. #101
    Follow up - the ejection has been a bit better, still erratic just not in my face which is nice. It has allowed me to set a few PR's and do a bit better in competitions than normal - anecdotal and not scientific for the latter of course.

    BUT, my G17* did have a sideways stovepipe at this past match. Oh well!

    *G17 with HRED and original 336 ejector and original extractor (this combo gave the most reliability up until now, may experiment again with the APEX extractor and 30274)
    Last edited by guymontag; 11-13-2016 at 03:09 PM.
    When you have to shoot, shoot, don't talk. -Tuco
    Today is victory over yourself of yesterday... -Miyamoto Musashi

  2. #102
    Quote Originally Posted by guymontag View Post
    Follow up - the ejection has been a bit better, still erratic just not in my face which is nice. It has allowed me to set a few PR's and do a bit better in competitions than normal - anecdotal and not scientific for the latter of course.

    BUT, my G17* did have a sideways stovepipe at this past match. Oh well!

    *G17 with HRED and original 336 ejector and original extractor (this combo gave the most reliability up until now, may experiment again with the APEX extractor and 30274)
    3rd or 4th gen?

  3. #103
    Quote Originally Posted by Nephrology View Post
    3rd or 4th gen?
    2nd Gen that displays heavy brass streaks on the ejection port. I spoke to another poster that said lowering the ejection port was the best cure, however I am deciding to wait on that particular modification.
    When you have to shoot, shoot, don't talk. -Tuco
    Today is victory over yourself of yesterday... -Miyamoto Musashi

  4. #104
    Member DocSabo40's Avatar
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    I just picked up a new 19 and the little bastard is failing the recoil spring test (point it up, slide won't close all the way). I've tried changing out every part in the gun with new spares that I have, same thing. Using a different RSA makes no difference. Is this a known issue or have I discovered another gem from Glock?

  5. #105
    Site Supporter Larry Sellers's Avatar
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    The same tests that work on the Gen 3 guns is not a reliable test for the 4th gen guns

    Sent from my SM-G930V using Tapatalk
    Maybe it was one guy with six guns....

  6. #106
    Member DocSabo40's Avatar
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    Are you saying that the "12:00 test" is not valid on gen4 guns? That would be the first time I've heard that.

  7. #107
    Site Supporter Larry Sellers's Avatar
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    Yes it is not the same test, I've asked on this forum before and had the same results that you did and was told that is not a reliable test for the 4th generation pistols

    Sent from my SM-G930V using Tapatalk
    Maybe it was one guy with six guns....

  8. #108
    Have you shot it? I'd try that before assuming a problem. Is it properly lubricated?
    Last edited by Shenaniguns; 01-15-2017 at 01:29 PM.

  9. #109
    Site Supporter Larry Sellers's Avatar
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    The guns run fine. I'm familiar with the 12 o'clock test that applied to the 3rd gens. My 4th gens 2 19s and a 17 don't pass it even with brand new recoil springs. One 19 has North of 7k through it.

    Sent from my SM-G930V using Tapatalk
    Maybe it was one guy with six guns....

  10. #110
    Quote Originally Posted by DocSabo40 View Post
    I just picked up a new 19 and the little bastard is failing the recoil spring test (point it up, slide won't close all the way). I've tried changing out every part in the gun with new spares that I have, same thing. Using a different RSA makes no difference. Is this a known issue or have I discovered another gem from Glock?
    I've had that issue with two Gen. II Glocks with fresh RSAs in the past. The one I kept no longer hangs up with competition springs, and as others noted my Gen IV will still hang up ever so slightly. I disagree with the assumption some make that if it hangs up you need a new fresh OEM rated recoil spring. Maybe it shows more of the balance in the spring relationship I don't know... but I never saw a correlation in function with the test and a new OEM spring.
    When you have to shoot, shoot, don't talk. -Tuco
    Today is victory over yourself of yesterday... -Miyamoto Musashi

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