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Bullets with two cannelures

Discussion in 'Handloading and Reloading' started by Super Sneaky Steve, Sep 21, 2011.

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  1. Super Sneaky Steve

    Super Sneaky Steve Member

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    This may be a dumb question, but on some bullets like the 180 grain .357 XTP's they have two cannelures. Why?
     
  2. rcmodel

    rcmodel Member in memoriam

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    So you can seat them short, IE: standard length to work in a lever-action, or long for more powder capacity in a revolver with a long cylinder, or a single-shot like a T/C Contender.

    You typically only see it on heavy for caliber handgun bullets that have more then one application.

    rc
     
  3. denton

    denton Member

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    The original loads for the 357 Magnum were developed in 38 Spl cases with the bullet seated farther out. You may find that the second cannelure is placed so as to allow doing the same thing.
     
  4. ReloaderFred

    ReloaderFred Member

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    There are also rifle bullets with two cannelures. The Remington 405 gr. .45-70 bullet comes to mind. I sometimes put two cannelures on bullets I swage if I'm going to be using them for a couple of different purposes. I've also put a second (or first) cannelure on factory bullets for certain applications.

    Hope this helps.

    Fred
     
  5. Caliber

    Caliber Member

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    Barnes X has 2 cannelures.
     
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