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Thread: Old Lyman mould blocks and handle

  1. #1
    Boolit Man
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    Old Lyman mould blocks and handle

    I just received a old set of Lyman 429 421 mold blocks never used plus a set of handles that appear to be made out of brass.
    This is the original Keith 245gr Semi-Wad Cutter.
    Box states Lyman, A Product of the Leisure Croup Inc.
    Last edited by DDRanch; 06-27-2022 at 09:10 PM.

  2. #2
    Boolit Master

    pworley1's Avatar
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    I think that is still the best all round bullet for the 44 mag.
    NRA Benefactor Member NRA Golden Eagle

  3. #3
    Boolit Man
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    Guys
    Any load suggestions?

  4. #4
    Boolit Buddy
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    20 gr 2400

  5. #5
    Boolit Man
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    Will give 20 gr 2400. OAL?
    May even powder coat some.

  6. #6
    Boolit Master
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    there are lots of good powders and loads for it 19 grains accurate #9 is a good one.. roll crimp at crimp groove I could go on an on with powders and loads.
    just check the imr/hodgdon web site and the Alliant web site and it will have loads using all the most common powders

  7. #7
    Boolit Master


    Walks's Avatar
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    A good medium plinking load is 9.5grs of Unique.
    I just love old molds.
    I HATE auto-correct

    Happiness is a Warm GUN & more ammo to shoot in it.

    My Experience and My Opinion, are just that, Mine.

    SASS #375 Life

  8. #8
    Boolit Buddy
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    I will check oal when I get home from work.remember to work up all loads

  9. #9
    Boolit Buddy
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    And I just load to crimp groove.

  10. #10
    Boolit Grand Master

    mdi's Avatar
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    I have loaded thousands of the Lyman 429421 bullet. I seated all to the crimp groove and disregarded "OAL". Worked quite well in 4 of my 5 44 Magnum guns. I switched to a Ranch Dog RNFP for my Puma carbine to get 100% feeding. I used load data right out of my Lyman 48th Edition Reloading Handbook...
    My Anchor is holding fast!

  11. #11
    Boolit Grand Master

    gwpercle's Avatar
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    Quote Originally Posted by shooter bob View Post
    And I just load to crimp groove.

    Best advice when it comes to revolver boolits ...
    ...crimp them in the crimp groove ...Book OAL Be Hanged .
    Gary
    Certified Cajun
    Proud Member of The Basket of Deplorables
    " Let's Go Brandon !"

  12. #12
    Boolit Grand Master


    Larry Gibson's Avatar
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    Quote Originally Posted by DDRanch View Post
    Guys
    Any load suggestions?
    For what cartridge in what gun?
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  13. #13
    Boolit Man
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    Ruger Super Black Hawk 44 Mag.

  14. #14
    Boolit Grand Master


    Larry Gibson's Avatar
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    The following top end magnum loads under a Lyman 429421 (245 - 255 gr) have always performed very well in my Ruger and Colt 44 magnums. I have pressure tested them and they are at or under the SAAMI 44 Magnum MAP of 36,000 psi. I use R-P and Winchester cases with WLP or CCI 350 primers. If you try these loads suggest dropping 10% and work back up.

    22 gr of Alliant 2400.

    24.5 gr H110.

    17.5 gr of Blue Dot.

    For a much gentler load which I most often use these days under the Lyman 429421 or the RCBS 44-250-KT is 9.0 gr of Unique. It runs at 21,100 psi and gives 1075 fps out of my 6 1/2" barreled Ruger FTBH. Using 8.5 gr Unique the velocity drops to 1010 fps and it is really a pleasant load to shoot still having plenty of "oomph".

    Bottom end 44 SPL equivalent load I use in Magnum cases is 6 gr of Bullseye. I Mostly use the Le TL 240 gr SWC bullet in these as the different SWC nose tells me instantly they are low end 44 SPL equivalent loads.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

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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