new expander plug sizes

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  • 2014-11-03 at 22:13 #487697
    jasonfancher
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      what would be the best expander plug for the diameter i am sizing my bullets at?
      here is a list of diameters i size to.

      .225
      .311
      .360
      .378
      .433
      .461

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    • 2014-11-04 at 12:58 #493761
      lwatson
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        They are normally sized with the first stage (call it the Expanding part) at 0.002″ under the chosen boolit diameter.

        The final little part that flares the case mouth slightly (call it the Case-Mouth Flaring stage),  is 0.002 to 0.003 over the boolit diameter.

        Only other variable is the length of the Plug itself, eg to allow for the longer neck/seating length in rifles v short pistol cases.

        2014-11-04 at 16:38 #493762
        SwedeNelson
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          jasonf

          This would be my take on it
          Correct me if I’m wrong
          .225 use 22R
          .311 use 30R
          .360 use 38P
          .378 use 37R
          .433 will need special
          .461 will need special

          Hope this helps
          Bullet maker, maker
          Al Nelson

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