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  1. #1
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    MjrPayne3's Avatar
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    Gen 3 Trigger in Gen 4 ?


    I have a Fulcrum Aluminum Trigger/Trigger Bar that I used in my G23 Gen 3. Can I swap it into a G19 Gen 4 if I leave the Gen 4 housing and ejector?

  2. #2
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    It's worth a try... I swapped a gen3 trigger bar into my gen4 G17 and it worked perfectly. I tried the same thing (I thought it made the trigger smoother, and it did on the G17, G19 well not so much) and while it worked on one gen4 the other didn't work well at all.

    If you are comfortable doing the work yourself, it's worth a try. But be sure to "run it hard" in testing before you rely on it for SD. Let us know how it works out for you.
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  3. #3
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    I put the Gen 3 trigger bar in and it seems to function fine. I won't know for sure until I put some rounds through it.

  4. #4
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    It should be fine. With my gen4 G19 that swapping to the gen3 trigger bar didn't work, it was obvious right away. I would still run it hard, just for cautions sake, but my guess is you're gonna be fine.

    When the gen4s first came out, to align the trigger bar in the gen4 frame, Glock added a small "dimple" on the trigger bar. Many folks felt that the bump added drag to the trigger and that's when swapping the trigger bars got popular. I don't know what Glock did, but even though that worked well on my gen4 G17, it really binded up in my gen4 G19.
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  5. #5
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    After you swap out the trigger bar, make sure you check out the engagement... If you can't do that, make your first test fire session with the new trigger bar with one round in the magazine... Then try it with two rounds in the magazine... Make sure it fires each shot individually before you load a full mag...
    "While the anti-gunners seem very concerned about the "one life" that your firearm might take -- they are not very concerned about the lives it will save." Jon H. Gutmacher, Florida Firearms - Law, Use & Ownership

  6. #6
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    Well. I shot my new pistol. The Gen 3 trigger worked fine. I have the up to date RSA but the 336 ejector. I took a few casings to the head and one directly in the shooting glasses. Another didn't eject at all.

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