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firing a 10mm though a .40S&W

Discussion in 'Handguns: Autoloaders' started by Echo9, Sep 6, 2010.

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  1. Echo9

    Echo9 Member

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    Anyone have any experience with seeing a 10mm chambered and fired in a .40 pistol? I'm guessing the slide would hang out of battery too much for the gun to fire, but I'm curious if this is possible or documented.

    There's lots of information online about firing a .40 through a 10mm, but not the other way around.
     
  2. PO2Hammer

    PO2Hammer Member

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    I'm not sure what you mean, add a 10mm upper (slide, barrel, etc) to a .40 caliber pistol frame?
    I know with Glocks that won't work.
     
  3. FatPants

    FatPants Member

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    Seems like a good way to lose some fingers.
     
  4. Echo9

    Echo9 Member

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    No... I mean chambering a live 10mm round in a .40S&W chamber and pulling the trigger.

    Ha I know it's dangerous, FatPants, I'm just wondering if it's even possible. Like I said, it seems like the extra few millimeters on the 10mm's case length would keep the gun too far out of battery to fire.
     
  5. gofastman

    gofastman Member

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    if the round did go off it would probably explode your face. you are most likely correct about it being to far out of battery to fire
     
  6. SharpsDressedMan

    SharpsDressedMan member

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    You'd have to TRY to get a 10mm into a .40 S&W chamber by manually single loading it. They will not go into the magazine (except at the top) and would probably wedge if you tried to insert the mag with that one round up the chute. If the weapon is functioning properly, it will not fire out of battery (slide held open by a too long round). If you did manage to get the firing pin to strike on a partially open/chambered round, you'd get get an uncontained discharge, resulting in shrapnel from the open breach, hot gases from the explosion, a damaged gun, and maybe serious injury. Why would you want to try it? .40's sometimes get into a 10mm if the shooter is not paying attention, but they also often fire normally, as they are shorter and ARE contained properly in the chamber.
     
  7. Echo9

    Echo9 Member

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    I don't want to try it. I was just wondering if anyone knew for sure that was possible.
     
  8. dom1104

    dom1104 Member

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    Am I the only one who thinks the questions on this forum are getting......

    Let me be nice....


    Darnit I cant rephrase it nicely.
     
  9. Jim K

    Jim K Member

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    Not quite as bad as the fellow who once asked why he couldn't get a .357 Magnum into a .38 Special chamber if he hit the back end with a hammer.

    Jim
     
  10. Ron James

    Ron James Member

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    or the gentleman who wanted to fire 38 super in his old 38 S&W , I believe US Revolver.
     
  11. Mags

    Mags Member

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    The 10 MM case is too long to fit the chamber it can't be done safely.

    There's your answer, sorry if you don't like it but that's the truth of it.
     
  12. rbernie
    • Contributing Member

    rbernie Member

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    Question has been asked and answered, and my thanks to those that took the question at face value. On the other hand - if your post disappeared from this thread, it's because it was not helpful and/or was not on The High Road.

    I'm going to close this down rather than allow the personal insults to continue.
     
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