Pennsylvania Firearm Owners Association
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  1. #1
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    Default Glock Caliber Conversion Question

    I know that certain Glock .40s and .357s can be converted to other calibers, but can the 9mms be converted to larger calibers?

    I kind of assumed that this is not possible because a larger caliber barrel would not fit through the end of the slide, but I have been wrong before.

    Also, for anyone who happens to have experience with the conversion barrels, do you end up with a reliable gun when you use one, or do they cause issues that would prevent you from using one in a carry gun?
    Almost a LIB .... ertarian

  2. #2
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    Default Re: Glock Caliber Conversion Question

    The 40/357 can be converted to 9mm, I don't know how the reliability will be but a conversion barrel and 9mm mags are needed to do it.

    The 9mm cannot be converted to larger calibers, slides are differant dimensions at the breach, plus the 40/357 slides are a little heavier than the 9mm.

  3. #3
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    Default Re: Glock Caliber Conversion Question

    Quote Originally Posted by arjohnson View Post
    The 40/357 can be converted to 9mm, I don't know how the reliability will be but a conversion barrel and 9mm mags are needed to do it.

    The 9mm cannot be converted to larger calibers, slides are differant dimensions at the breach, plus the 40/357 slides are a little heavier than the 9mm.

    The reliability is good. I have a 23 and have a 9mm threaded conversion barrel, no problems at all. Easy to change and reliable.

    As stated, you can go large to smaller caliber, but not smaller to larger caliber.
    "The more people I meet, the more I like my dog."

  4. #4
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    Default Re: Glock Caliber Conversion Question

    you can go both ways, it just costs more to go up in caliber due to the extra parts and work you need. If you're going to buy a new slade why not just get the whole gun.
    MORDENTE MEUM

  5. #5
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    Default Re: Glock Caliber Conversion Question

    Quote Originally Posted by mpi View Post
    you can go both ways, it just costs more to go up in caliber due to the extra parts and work you need. If you're going to buy a new slade why not just get the whole gun.
    Yeah, I didn't want to spend a lot.

    I was just looking at a used Glock 19 in the Classified section, but I think I'll hold out until I can get a deal on a 23 or 27, if I buy a Glock at all.

    In reality, I still think I prefer a gun with a manual safety, because I'm one of those wussies who's afraid that the trigger will accidentally get pulled when some fat chick tackles me. Fat chicks are always tackling me
    Almost a LIB .... ertarian

  6. #6
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    Default Re: Glock Caliber Conversion Question

    As mentioned, it's possible to go up in cal, but not very practical. I have a Lone Wolf 9mm conversion for my G23 with about 500 rounds thru it so far & I haven't had a problem. In fact, I think the conversion barrel is a bit more accurate than the stock .40. It's kinda' hard to tell though, because I'm a bad shot to begin with.
    "It's hard to imagine a more stupid or more dangerous way of making decisions than by putting those decisions in the hands of people who pay no price for being wrong."
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  7. #7
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    Default Re: Glock Caliber Conversion Question

    Quote Originally Posted by rikilii View Post
    ...because I'm one of those wussies who's afraid that the trigger will accidentally get pulled when some fat chick tackles me. Fat chicks are always tackling me
    Why do fat chicks tackle you all the time?
    Bullets will be the currency of the future

  8. #8
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    Default Re: Glock Caliber Conversion Question

    Quote Originally Posted by rikilii View Post
    because I'm one of those wussies who's afraid that the trigger will accidentally get pulled when some fat chick tackles me. Fat chicks are always tackling me


    Stopping the fat chicks from tackling you should be your first thing and if this is to protect you from said fat chicks I would suggest a 10mm.

  9. #9
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    Default Re: Glock Caliber Conversion Question

    You can not go up in cal without a slide. The OD of the barrels is larger.
    _________________________________________

    danbus wrote: ...Like I said before, I open carry because you don't, I fight for all my rights because
    you won't, I will not sit with my thumb up my bum and complain, because you will.
    Remember Meleanie

  10. #10
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    Default Re: Glock Caliber Conversion Question

    Quote Originally Posted by beequick View Post
    Why do fat chicks tackle you all the time?
    Damn you, Can't you see he was looking for this question ???


    Well anyways, they used to tackle me all the time too. They seemed to like the skinny guys.

    Back to the OP. I started using a Glock32 for about 3 or 4 years till .357 sig ammo wasn't made with aluminum cases anymore and the price started creeping up. I bought a factory .40 bbl, essentially turned it into a G23 and put a ton of rounds down range with no issues.

    I have kicked around getting the parts to go 9mm with one of the G23's but haven't done so yet.

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    Opinions are like anal apertures. They all stink but mine.

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