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Thread: Identifying lyman "M" dies question

  1. #1
    Boolit Mold
    Join Date
    Jan 2008
    Posts
    7

    Identifying lyman "M" dies question

    Good day all.


    The other day while sorting through my reloading stuff I noticed my M die for 8mm is marked 32. The one I had for .303 British I was sure was marked 31, but when looking at it I see it is stamped 30R on top of the adjusting screw for the expander plug.


    The plug measures .307inch and then steps to .311 like you would expect for a .30-06 or .308

    Lyman's online info doesn't list a die marked 30R, only 30S and 30L and the die they list for .303 is called 31L as I expected.

    My question for the forum is does anyone know what I have here? TIA

  2. #2
    Boolit Master redhawk0's Avatar
    Join Date
    Apr 2016
    Location
    North East, USA
    Posts
    756
    Hopefully this will help you out. It looks to me that the 30R is the plug size...30L or 30S refers to cartridge lengths.

    http://ps-2.kev009.com/ohlandl/Cast_...an_M-dies.html

    redhawk

    The only stupid question...is the unasked one.


    Not all who wander....are lost.

    If more government is the answer, then it was a really stupid question. - Ronald Reagan

  3. #3
    Boolit Mold
    Join Date
    Jan 2008
    Posts
    7
    Thank you Mr. Redhawk that link gives me the info I was searching for.

    It must be 20 years since I loaded cast in a .303 I think what happened is I must have put a 30 caliber plug in the die and forgotten about it.

    Forty years of casting doesn't make one smart, it makes you old.

  4. #4
    Boolit Master redhawk0's Avatar
    Join Date
    Apr 2016
    Location
    North East, USA
    Posts
    756
    Quote Originally Posted by thaxted View Post
    Forty years of casting doesn't make one smart, it makes you old.
    I hear ya...I've been at it about that long too...sux getting old, huh? The other day I mixed up fast/slow burning powders in a post....I hate when I have to apologize and correct my posts.

    redhawk

    The only stupid question...is the unasked one.


    Not all who wander....are lost.

    If more government is the answer, then it was a really stupid question. - Ronald Reagan

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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