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rimfire ammo > How?

Discussion in 'Handloading and Reloading' started by renaissance, Sep 2, 2003.

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  1. renaissance

    renaissance Member

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    Dec 25, 2002
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    Location:
    Alexandria, VA
    Ok
    I'm not about to try to reload (remanufacture) 22 lr's..but......
    How are they manufactured originally??

    Thinking about it..........................

    The stuff has a "rim" (>> rimfire) which appears to be a double fold of brass material consisting of the base of the cartridge on one side and a very short second side folded over with (I would suppose) a small amount of priming material sandwiched between the two folds.

    How do they do this mechanicaly?

    How do they manage to pinch the primer material between the two folds of brass without setting it off?

    renaissance wants to know.................
     
  2. cordex

    cordex Member

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    Dec 23, 2002
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    Location:
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    As I understand it ...
    The priming compound is a liquid.
    They drop a bit in the case and spin it.

    Poof. You have primed a rimfire.
     
  3. Mike Irwin

    Mike Irwin Member

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    Dec 22, 2002
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    Location:
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    Not really a liquid. More like a gummy paste.

    It's placed in the rim using centrifugal spinners.
     
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