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Thread: 40lb Bottom Pour? Discovered Magma closed up shop

  1. #1
    Boolit Buddy
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    40lb Bottom Pour? Discovered Magma closed up shop

    I haven't casted in a long time, had 2 kids in 4 years I think ha! Just looked up the master pot and found Magma Engineering out of bizz.

    Soooo.....that means the Master Pot that holds 40lbs is gone.

    Any other makers of bottom pours? I bought a 2nd lee pot and gear to make a double PID setup where the top pot feed into the bottom BUT it will take time and work to put together.

  2. #2
    Boolit Master

    Eddie Southgate's Avatar
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    Biggest ones I know of are 25 pounds. Casted ? Cast is the past tense of cast , you never casted anything unless you do pod casts.
    Grumpy Old Man With A Gun....... Do Not Touch !!

  3. #3
    Boolit Master
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    Not my area of expertise (either area actually), but at least that's better than 4 kids in 2 years.

  4. #4
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    JonB_in_Glencoe's Avatar
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    Magma is alive and well in Australia.

    https://castboolits.gunloads.com/sho...ll-in-business

    They are active on facebook.
    ~~~~~~~~~~~~~~
    “If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun.”
    ― The Dalai Lama, Seattle Times, May 2001

  5. #5
    Boolit Grand Master

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    Look at MVA buffalo arms and mc master carr for larger electric pots Most are wage pots

  6. #6
    Boolit Grand Master
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    The large production duty pots are very expensive. Not cost effective for the cast bullet hobbist.

    Unless you are casting shotgun slugs or large bullets for thr big bores, you will find tge 20 lb pots are adequate. Having a dual pot set up would work if you need that much producibility.

    Keep an eye on eBay for a used unit. You might get lucky.
    Don Verna


  7. #7
    Boolit Grand Master

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    What you might consider is 2 lee 20 lb pots stacked one above the other, the bottom one you cast from the top heats and melts the next 20 while your casting then dumps into the bottom. and you start over.

    A simple frame to hold both pots with a hole for the lead to pass thru and a hole cut in the base of the top pot.

  8. #8
    Boolit Bub

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    So sorry to hear that Magma Engineering is no more.

  9. #9
    Boolit Master
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    Quote Originally Posted by country gent View Post
    What you might consider is 2 lee 20 lb pots stacked one above the other, the bottom one you cast from the top heats and melts the next 20 while your casting then dumps into the bottom. and you start over.

    A simple frame to hold both pots with a hole for the lead to pass thru and a hole cut in the base of the top pot.
    Be really slick to join the handles, so when you lift the handle the lower pot fills the mold while the upper pot fills the lower pot for the same amount of time.

  10. #10
    Boolit Grand Master jmorris's Avatar
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    I built a 60lb one using 3/8" steel pipe and a 3500 watt oven element.


  11. #11
    Boolit Buddy 20:1's Avatar
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    How about building a 100 pounder? https://www.hensleygibbs.com/TCD/art...castingpot.htm

  12. #12
    Boolit Master
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    7 years ago, I built a 100 pound automated boolit casting machine. In the last year, I have automated 2 master casters, one with an arduino setup that one customer made and the other for his friend who recently bought a Hatch control.........my pot is run by a Hatch control as well. At the time, I didn't see anything bigger than the Jmorris 60 pound pot, so go big or go home. It wasn't that hard to build the pot from pipe and plate and bend the heating element around it.

    There are old videos from when I first built the machine and I also built an automated sizing machine to use after powder coating the bullets.

    Most of the material is scraps I had around my shop, other than the remnant of some black pipe that was somewhere around 6 inches in diameter. The conversion parts I built for the master casters look much nicer and are finished and they are setup similar to mine so there is a lot of adjustment. The owners of the master casters did not want the master caster modified at all or drilled into, so it is all bolt on. I built new replacement handles for the master casters and one had the front corner of the cast iron frame broken off, so I tig brazed a new corner onto it and finished it with a somewhat close paint touch up. The other was a cast aluminum frame. I had never seen a casting machine in person when I built mine and I just went by pictures and videos of the various machines people had made and roughly copied the master caster. My machine uses NOE hand molds.

    https://youtu.be/Gy6FrNzExSI?si=jHTyyWGXvokKCCXw

    Last edited by CGT80; 06-30-2025 at 03:31 PM.

  13. #13
    Boolit Master AnthonyB's Avatar
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    "Some people are just smarter than others...."
    Don't have a source, but it wasn't me.
    Tony
    Last edited by AnthonyB; 06-30-2025 at 06:13 PM. Reason: Typo

  14. #14
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    JonB_in_Glencoe's Avatar
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    there is a 40 LBer made in Germany.

    https://castboolits.gunloads.com/sho...m-pour-furnace
    ~~~~~~~~~~~~~~
    “If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun.”
    ― The Dalai Lama, Seattle Times, May 2001

  15. #15
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    ~~~~~~~~~~~~~~
    “If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun.”
    ― The Dalai Lama, Seattle Times, May 2001

  16. #16
    Boolit Buddy pcmacd's Avatar
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    Kalifornia passes "feel good" legislation hand over fist, legislation that is looking for a problem to solve and affecting only law abiding persons.

    So, after 40 years of that nonsense, that's why I now live in Arizona.

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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