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Gen 3 slide on Gen 4 frame???

Discussion in 'General Glocking' started by tiger1384, May 21, 2011.

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  1. tiger1384

    tiger1384

    62
    0
    Jul 12, 2007
    Morris County, NJ
    So I have a gen 4 g19 and am looking to buy a complete g23 upper so I can just swap uppers to go from 9mm to 40 sw. Living in NJ is a pain to get another pistol so i figured i'd get another upper instead and have a 2 for 1 pistol. Does anyone know if I have to buy a gen 4 23 upper or will a gen 3 upper work on my gen 4 g19 frame? Thanks!!!
     
  2. SCC

    SCC Member Me

    8,092
    17
    Jun 10, 2007
    kennesaw GA.
    Don't think you can put the 3rd gen slide on a gen 4 frame
     

  3. HotRoderX

    HotRoderX Gen4 BETATester

    5,297
    0
    Jan 15, 2011
    You cant Gen 4's and Gen 3's arent really compatible I think there are a few minor parts that can be switched out but anything major can not.
     
  4. tampashooters

    tampashooters Shellback

    4,630
    149
    Jun 25, 2007
    Tampa, FL
    Yes, you can, but it is not safe because of the wiggle room. Some people have shot them like this, but it is not advisable. You can search one of the many threads on here that have already addressed this topic.
     
  5. 9L0ck

    9L0ck

    968
    136
    Mar 23, 2011
    Dallas TX
    No gen 3 upper will not fit a gen 4 lower!
     
  6. JBP55

    JBP55

    9,663
    258
    Mar 4, 2007
    Louisiana
    I have tried several G3 slides on G4 receivers and they worked fine.
    It was a short term test and I did not leave them on after the test.
     
  7. tiger1384

    tiger1384

    62
    0
    Jul 12, 2007
    Morris County, NJ
    thanks for all the feedback! not exactly what i was hoping but i'll just have to find a gen 4 upper now...
     
  8. HotRoderX

    HotRoderX Gen4 BETATester

    5,297
    0
    Jan 15, 2011
    I think Glockmister might have them http://www.glockmeister.com if not they would atleast have the parts needed to build one.
     
  9. 9L0ck

    9L0ck

    968
    136
    Mar 23, 2011
    Dallas TX
    Sorry I was thinking of it backwards. The gen 4 upper will not fit on a gen 3 lower. The gen 3 upper will fit a gen 4 lower but like others have said I would not shot it that way.
     
  10. theglockside

    theglockside

    44
    0
    Dec 4, 2009
    What about the 26? I thought it was the same size?
     
  11. PaLEOjd

    PaLEOjd

    2,402
    202
    Jun 1, 2010
    Pennsylvania
    They are, the G-26 was not in question. KIt was asked about a 19-23 swap.
     
  12. A gen3 upper will work on a gen4 lower. I ran a gen3 22 upper on my gen4 lower for more rounds that I can count this past summer.