MONSTER Mysery Mould!

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  • Last Post 03 February 2022
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G.Chapman posted this 02 February 2022

Hi there guys!   I have a friend that is one of those folks that comes up with the greatest things out of the blue... Thankfully he is as involved with firearms as least as much as all of us, and a crackerjack gunsmith to boot. 

Anyway,  he recently walked into my shop,  and handed me the pictured mould.  "Check THIS PUPPY out", he said.  The pictures are worth 1000 words, but suffice it to say this mould is huge,  and it's heavy.  It bears no identifying marks whatsoever,  and I was hoping that someone here in the "brain trust"  may have an idea as to who the maker might be,  and any additional info or history involved with it.  I'm very curious!

I cast a few drops with it (after screwing the handles off and pre-heating it to max in the toaster oven..still took a few pours to get the beast up to workiing temp!)  just to see what it produces.  I had some fairly hard alloy (3/4 old WW, 1/4 Lino) already in the pot,  so that's what I used.  Bullets dropped effortlessly out of all 8 cavities.

The slugs produced are right at .360",   and weigh 155 gr.  with this alloy... Obviously would probably use a softer alloy casting for .38 Special,  etc.,  but as I said,  that's what I had in the pot at the time.

The machine work on this mould is superb... A heavy-duty example of what I would imagine is old time craftsmanship.

Any ideas?

 

 

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RicinYakima posted this 02 February 2022

Pre-WW2 Cramer. 

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JeffinNZ posted this 02 February 2022

That's outstanding!

Cheers from New Zealand

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Eutectic posted this 02 February 2022

Lovely and well cared for. Probably 158 grains in soft alloy, standard 38 round nose. Casts the right size, I bet they will shoot great.

Steve

 

“If you give politicians more power in an emergency, they will create more emergencies to get more power.”

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Ken Campbell Iowa posted this 03 February 2022

beautiful work ...

 

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G.Chapman posted this 03 February 2022

 Ric, thanks for the ID on this mould... I investigated Cramer a little, and it's interesting history. Appears that they were bought out by Saeco in 1950, and their moulds were very well respected for the quality & design.  Another quick question... If you guys will refer to the picture with the bullets, you will see (zoom in), that there is a little "double tab" protruding in both of the grease grooves. At first I didn't notice this, and then, without my readers, wrote it off as a bad casting... However... Every bullet shows the little "tabs" in the grooves, and on closer inspection I see that the cavities actually have this tab relief machined into them.  Does it have to do with venting, or does it serve some other purpose?  The "tabs" only appear on one side if the bullet, aligned with the juncture of the two blocks. I have never run into such a thing before!

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RicinYakima posted this 03 February 2022

G., I have no Idea what they were made for or the reason. Ric

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Mouldknocker posted this 03 February 2022

Looks like someone might have polished the cavities at some point. Check and compare all the bullet diameters at the base, middle band, and top band. Sometimes you'll find small differences.

Hope this helps,

Jeff

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Rich/WIS posted this 03 February 2022

Beautiful mod made when craftsmanship was king.  However, even with the lightening cuts, my wrists are starting to hurt just looking at it.  

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