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Thread: using non-Magma molds on MasterCaster

  1. #1
    Boolit Mold
    Join Date
    Mar 2021
    Posts
    18

    using non-Magma molds on MasterCaster

    Wondering how well Lyman, RCBS and Saeco molds converted by Magma to run on their machine hold up long term? It would be an automated MasterCaster for my use.

  2. #2
    Boolit Grand Master
    Join Date
    Oct 2009
    Location
    Northern Michigan
    Posts
    9,021
    Magma is out of business. They cannot offer this service any longer.
    Don Verna


  3. #3
    Boolit Mold
    Join Date
    Mar 2021
    Posts
    18
    There are lots of converted molds out there. Wondering what experience people have had as to how they hold up.

  4. #4
    Boolit Buddy
    Join Date
    May 2018
    Location
    MN
    Posts
    128
    I have several sets of Saeco molds from round ball to CF handgun.. Have had no more issues with them than Magma molds.

  5. #5
    Boolit Buddy
    Join Date
    Dec 2009
    Location
    Ball Ground, GA
    Posts
    416
    Lyman molds are an easy conversion if you have the mold arm keys, sprue plate and sprue plate bolt, spring and nut. RCBS and Saeco are a little more involved with the mold arm keys. They run fine on a master caster. I have some of all of them. If you don't have the parts and can't make them yourself you will have to wait until the new Magma down under gets up to speed.
    Tony

  6. #6

  7. #7
    Boolit Master


    Join Date
    Sep 2007
    Location
    East Texas
    Posts
    3,655
    I have converted Lyman, SAECO and RCBS for my automatic machines and most recently my Master Caster.
    Lyman and RCBS are soft, SAECO and H&G are the best.
    Magma used SAECO when they started making machines.
    I also had an LBT aluminum mold for my Master Caster.
    I believe NOE or other custom mold maker will make molds for the Master Caster.
    Lyman and RCBS wore where the sprue plate pivots, keeping the area lubricated and minimal tension on the sprue plate screw will reduce the chance of this happening.
    I had that happen on the automatic machine making 10s of thousands of boolits, I don’t think it will happen with the low volume on a Master Caster with proper lubrication.

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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