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Thread: Expander ball question

  1. #1
    Boolit Bub
    Join Date
    Jun 2012
    Location
    Lakeland Fl
    Posts
    49

    Expander ball question

    I do not deprime with my sizing die,where would you locate the ball inside the die?

  2. #2
    Boolit Master
    Join Date
    Jun 2013
    Location
    Lynn Ma
    Posts
    827
    Loosen the rod the ball is connected to when you start to pull the case out you'll feel the expander enter the neck with slight pressure on the handle tighten the nut on your rod and you should be gtg

  3. #3
    Boolit Man
    Join Date
    Dec 2016
    Posts
    75
    If you use the expander in a separate step from resizing, you stand a way less chance of a crooked neck. When using the expander on the down stroke, the neck is not supported. A safer bet is to expand on the upstroke. The case will then be supported. This is for bottle neck cartridges.

    I use a universal depriming die then tumble. Follow up with resizing (neck or full length or partial full length) then expand on the upstroke. I like bushing dies the most and eliminate the button whenever possible.

  4. #4
    Boolit Master gpidaho's Avatar
    Join Date
    May 2014
    Location
    Beautiful Idaho
    Posts
    2,644
    On most of my sizing dies the expander has been removed. I use the NOE expander plugs for expansion in a second step. If the expander is left in, I bring it up to where it just fully enters the bottle neck and then it's pulled back out. I don't like them dangling way down there on the rod. Just my way, your results may very well be as good how ever you're doing it. Gp

  5. #5
    Boolit Bub
    Join Date
    Jun 2012
    Location
    Lakeland Fl
    Posts
    49
    I set it like gpidaho does,seems to work ok. Thanks

  6. #6
    Boolit Grand Master

    mdi's Avatar
    Join Date
    Jun 2008
    Location
    So. Orygun
    Posts
    7,240
    I believe I would set it low, below the neck (I think I'd try the neck length + a bit). So the neck has exited the sizing portion and then the expander moves through the neck as the case is withdrawn from the die...
    My Anchor is holding fast!

  7. #7
    Boolit Master
    Join Date
    Mar 2012
    Location
    Boise, ID
    Posts
    647
    I also deprime separately so I use a Lyman "m" to do inside neck sizing after the primary case sizing step.
    Loren

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check