Pennsylvania Firearm Owners Association
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  1. #1
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    Default Why can't G19 be up graded to a 40 cal?

    Why can't G19 be up graded to a 40 cal? I hear the G23 or G22 can be down graded to a 9mm G19 or G17 with a 9mm barrel change why not the other way around G19 to a 40 cal with a barrel change?

    I have a G19 & G23 but I'd just like to know why not?

  2. #2
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    Downingtown, Pennsylvania
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    Default Re: Why can't G19 be up graded to a 40 cal?

    I'm pretty sure that you're not just putting a 9mm barrel in a .40 gun. It's a specific "conversion" barrel.

  3. #3
    Join Date
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    Greensburg, Pennsylvania
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    Default Re: Why can't G19 be up graded to a 40 cal?

    Nope... iirc the opening in the front of the G19 slide is not big enough to accomodate a .40 barrel. You can go down from .40 to a 9 mm because the 9 mm conversion barrel is larger and fills up the hole in the .40 slide.

  4. #4
    Join Date
    May 2007
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    Glenside, Pennsylvania
    (Montgomery County)
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    Default Re: Why can't G19 be up graded to a 40 cal?

    The hole in the slide for the barrel is larger for the .040. The 9 mm conversion barrels for .040s have an increased outside diameter so they fit the larger hole. Unfortunately, you can't make an .040 barrel smaller to fit the 9 mm slide.

  5. #5
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    Feb 2010
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    New Britain Township, Pennsylvania
    (Bucks County)
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    Default Re: Why can't G19 be up graded to a 40 cal?

    Could you drill the hole bigger in a G19 to accept a .40 barrel?

  6. #6
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    Default Re: Why can't G19 be up graded to a 40 cal?

    I'm one of them if ain't broke don't fix it or change it so I never tried to exchange the barrels. But if it won't fix any way so I won't try.

    I may get a long wolf 357 sig barrel to upgrade the G23.
    Last edited by Neko456; May 9th, 2012 at 04:20 PM.

  7. #7
    Join Date
    Oct 2006
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    New Castle, Pennsylvania
    (Lawrence County)
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    Default Re: Why can't G19 be up graded to a 40 cal?

    Quote Originally Posted by bac0nfat View Post
    Could you drill the hole bigger in a G19 to accept a .40 barrel?
    I've wondered about that. The trick would be to make sure that you reamed the new hole on the right axes.

    LycannoDremelsthrope

    I taught Chuck Norris to bump-fire.

  8. #8
    Join Date
    Oct 2007
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    asdf, Pennsylvania
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    Default Re: Why can't G19 be up graded to a 40 cal?

    Quote Originally Posted by bac0nfat View Post
    Could you drill the hole bigger in a G19 to accept a .40 barrel?
    IIRC the tenifer coated metal will kill your drill bits.

  9. #9
    Join Date
    Mar 2008
    Location
    Falls Twp., Pennsylvania
    (Wyoming County)
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    Default Re: Why can't G19 be up graded to a 40 cal?

    I am not familiar with Glock at all but doesn't cartridge pressure and frame strength enter into the equation?

  10. #10
    Join Date
    Feb 2010
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    New Britain Township, Pennsylvania
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    Default Re: Why can't G19 be up graded to a 40 cal?

    Quote Originally Posted by em2b96p View Post
    IIRC the tenifer coated metal will kill your drill bits.
    What if you used a carbide endmill? It's gotta be possible, how else would gunsmiths do things like cut forward slide serrations and ports in slides?

    If the only thing different is the size of the hole, it might be worth it. Only problem would be, your 9mm barrel would be useless. I guess you could sell it, then buy a wolf conversion barrel and be able to switch between 9mm and .40

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