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Thread: RCBS Straight Wall Expander Dies

  1. #1
    Boolit Bub
    Join Date
    Jan 2010
    Posts
    66

    RCBS Straight Wall Expander Dies

    Well, sometimes it seems I'm the last guy to get the word. Just picked up a new set of 458 Win Mag dies from RCBS. Measured the expander plug and found out it is a two step expander ending up with a flair step. It is essentially a Lyman "M" die. No more having to buy seperate "M" dies to load cast bullets! Who new?

    Paborn

  2. #2
    Boolit Man
    Join Date
    May 2009
    Location
    Arizona
    Posts
    99
    I guess I missed that one. I haven't got a 458 yet so I would have never known.

    Greg
    The best gun for self defense? Any loaded one will do.

  3. #3
    Boolit Grand Master


    stubshaft's Avatar
    Join Date
    Apr 2009
    Location
    Southernmost State of the Union
    Posts
    5,889
    All of the RCBS dies that I own for straight wall cases have a flair on the expander. Not all of them have a pronounced step though.
    Old enough to know better, young enough to do it anyway!

    Men who don't understand women fall into two categories: bachelors and husbands!

  4. #4
    Boolit Master
    Join Date
    Feb 2007
    Location
    South Western NC
    Posts
    3,820
    "It is essentially a Lyman "M" die. "

    Well, it is an excellant design and Redding copied it for handgun dies, guess it was just a matter of time 'til RCBS did too.

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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