Home Forums Reloading 10mm Ammo What Redding Shell Holder For 10mm Auto?

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    • #2128
      The Earl o SAmmichThe Earl o SAmmich
      Participant

      You would a thunk everyone would have standardized but oooOOOh no. That would make things too easy. I want to get the Redding Competition Shell Holder Set. What number is for Redding?

    • #2129
      The Earl o SAmmichThe Earl o SAmmich
      Participant

      FOUND IT! #5. It’s X15 Lyman, #19 RCBS….

    • #2130
      The_ShadowThe_Shadow
      Moderator

      The good thing about proper shell holders that are made by the die maker is that, usually the die will contact the shell holder for full sizing with the sizing dies. The RCBS shell Holder I use is #19

      This chart shows the cross ref of the shell holders. However it doesn’t show cartridge reference.

      • This reply was modified 3 weeks, 2 days ago by The_ShadowThe_Shadow.
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    • #2133
      The Earl o SAmmichThe Earl o SAmmich
      Participant

      Ya, I saw that chart. I was trying to seat and crimp at the same time. I used to do it two separate runs through the press, seat, back the setting head out ant screw the die down a tad and crimp. Saw on another thread where some guy did both in pull of the ram. I can’t seem to get there without changing OAL. Was looking for the Redding Competition Shell Holder set for a 10mm/40 cal. There are five shell holders in the set that vary by .002″. They don’t make them for the 10mm however.

      • #2137
        The_ShadowThe_Shadow
        Moderator

        With the 10mm and other cartridges where the bullets do not have a cannelure it is best to seat fully without any crimp. This allows the bullet to not be impeded by the case being closed against the moving bullet where it can snag the bullet material or collapse the case itself to cause a buckle/wrinkle. So putting the crimp in a separate step eliminates those issues by just pressing the case mouth against the bullet.

        Dies are made to perform all the steps needed to make good ammo. But need to be adjusted as such to preform the given task.
        Think of Automated Machines as they have a separate die or station for each step of the process.

        That being said on my single stage setup the seater/crimp die locking ring is set for a proper crimp. But when I seat my projectiles I raise the die up with a spacing ring 1/8″ so the case doesn’t encounter the taper crimp section while seating.
        It is added cost but using extra dies set for each process works well also.

        The pictures below show the 1/8″ spacer rings for different case lengths for cartridges. These spacers have been useful as I do several things.
        first picture is 10mm & 9mm sitting on 2 1/8″ spacers
        second picture is 10mm /40S&W / 357SIG / 9x25Dillon
        third picture is 10mm / 40S&W / 9mm

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    • #2141
      The Earl o SAmmichThe Earl o SAmmich
      Participant

      Ya, That’s the way I’ve always done it but thought if I save another 500 strokes I’ld try it.

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