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.22 mag shoot .22lr?

Discussion in 'Rifle Country' started by Sniper X, Jan 31, 2011.

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  1. Sniper X

    Sniper X Member

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  2. Shear_stress

    Shear_stress Member

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  3. ColtPythonElite

    ColtPythonElite Member

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    No...The mag chamber is slightly larger in diameter than the LR. The LR cases wouldn't be supported and may split upon firing.
     
  4. JFrame

    JFrame Member

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    Not unless, for instance, you have a revolver like a Single-Six or one of the NAA minis, with both .22 LR and .22 WMR cylinders.

    ETA: It just occurred to me that this thread is in the rifle section -- oh well, just added that bit as another disclaimer...


    .
     
  5. mdauben

    mdauben Member

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    Unlike the .357 and .44 magnums, which are simply elongated versions of the .38 and .44 specials, the bullet and case diameters of the .22LR and .22Mag are different so most guns will not fire them interchangebly. The only guns I know that will fire both are revolvers with interchangable cylinders (one for .22LR and one for .22Mag) and even these suffer in accuracy becasue the optimum barrel diameter differers for the two rounds differ.
     
  6. CraigC
    • Contributing Member

    CraigC Member

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    You've received sound advice. You can do it with relative safety but expect split cases, decreased velocity and poor accuracy. In a revolver you can also potentially have some hot gas and debris in your face. Not recommended.
     
  7. bigfatdave

    bigfatdave Member

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    No

    .22 short, long and long rifle are part of one family of rimfire rounds with approximately .22 inch diameter.

    .22 magnum (actually WMR for Winchester Magnum Rimfire) is part of another family of rimfire rounds with approximately .22 inch diameter.

    http://en.wikipedia.org/wiki/.22_Winchester_Magnum_Rimfire
    http://en.wikipedia.org/wiki/.22_Long_Rifle

    Lots of historical info there, read up on parent cases to spot the design differences.
    Way, way back there were two competing types of ~.22" rimfire ammunition, the modern descendants of that competition are .22WMR and .22LR, the names are similar because of marketing, they are NOT compatible and it is obvious if you actually have one of each in front of you, the dimensions are different, the bullet seating into the case is different, the bullet design and shape is different, the rims are different, the case shape is different ... in general the incompatibility is intuitively obvious to the most casual observer.

    ===

    I feel like I've written this up before ... ... searching ... searching ...
    Hey, I did write this up before!
    http://www.thehighroad.org/showthread.php?t=552272&highlight=22magnum+22lr
    http://www.thehighroad.org/showthread.php?t=524044&highlight=22magnum+22lr
    http://www.thehighroad.org/showthread.php?t=485687&highlight=22magnum+22lr
    http://www.thehighroad.org/showthread.php?t=476114&highlight=22magnum+22lr
    http://www.thehighroad.org/showthread.php?t=472869&highlight=22magnum+22lr
    http://www.thehighroad.org/showthread.php?t=552272&highlight=22magnum+22lr

    Here, have some excerpts from previous postings, since the search function must have been broken again.

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    OK, can we get a sticky now?
     
  8. PapaG

    PapaG Member

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    A 22 long rifle cartridge will slip into a 22wmr case.....does that suggest a difference in sizes?

    A friend shot a 22lr in a 22mag cylinder, in a naa mini to be exact, and he asked me why his finger was scorched.......case split.

    nuff said. Don't do it.

    You can, however, shoot 22wrf in a 22 wmr chamber.
     
  9. VA27

    VA27 Member

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    What gun are you wanting to try this with?
     
  10. Magnuumpwr

    Magnuumpwr Member

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    Guns chambered to fire 22lr will safely fire s, l, and lr. You might have to single load but will work. Guns chambered to fire 22mag are for 22mag only.
     
  11. DM~

    DM~ Member

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    Depending on what gun you want to do this in, YES YOU CAN! BUT, you need some spl. inserts made for this purpose, to size the LR rounds up, so you can SAFELY shoot them in a mag. chamber. I have some of them, although i have in the past only used them in a S&W M-48.

    Yes, they can be used in a bolt action 22 mag. too.

    DM
     
  12. elmerfudd

    elmerfudd Member

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    Well...you can do it and I've seen it done. It's not a very good idea though. What I remember wasn't split cases, but rather unburnt powder being shot out along with the bullet. That may have been with CB longs however.

    It's just one of those dumb things I remember being a spectator to about two decades ago.

    I've heard of people fabricating sleeves out of spent .22 WMR brass to allow them to fire .22 lr, but even if it is possible, I can't see the point when you can just buy a used .22 lr bolt action for under $100.
     
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