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Thread: Looking for Magma mold dimensions

  1. #1
    Boolit Mold
    Join Date
    Jun 2026
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    2

    Looking for Magma mold dimensions

    Hello,

    I wanted to see if anyone had the outside dimensions (and slot location and size) for a magma two cavity mold. I am working on a project and need these to get the ball rolling while I wait on parts.

    Thanks for any help!

  2. #2
    Boolit Buddy YoungGun88's Avatar
    Join Date
    Aug 2023
    Location
    Kalifornistan
    Posts
    271
    Made a video, hope it answers your questions.


  3. #3
    Boolit Grand Master

    gwpercle's Avatar
    Join Date
    Sep 2011
    Location
    Baton Rouge, Louisiana
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    10,767
    Although I don't have the information you need ... I would like to welcome you to CastBoolit's ... first round is on me !
    Keep us posted on your project .
    Gary
    Certified Cajun
    Proud Member of The Basket of Deplorables
    " Let's Go Brandon !"

  4. #4
    Boolit Mold
    Join Date
    Jun 2026
    Posts
    2
    Hey Thanks for the info! The .137" minor is a 10-24 thread. Are you able to give the hole locations as well?

  5. #5
    Boolit Buddy YoungGun88's Avatar
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    Aug 2023
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    Quote Originally Posted by 507135 View Post
    Hey Thanks for the info! The .137" minor is a 10-24 thread. Are you able to give the hole locations as well?
    Ok, figured make a schematic so others may benefit. I'm not a machinist so only have access to calipers but figured it's close enough.

    Last edited by YoungGun88; 07-02-2026 at 08:31 PM.

  6. #6
    Boolit Master


    Join Date
    Sep 2007
    Location
    East Texas
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    4,664
    They are the same dimensions as a SAECO or H&G 2 cavity.
    The first Magma molds were SAECO 2 cavity molds.

  7. #7
    Boolit Master


    Join Date
    Sep 2007
    Location
    East Texas
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    I found a print from Magma with a dimensioned drawing of the molds.
    PM me your address and I will send you a copy

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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