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Thread: Lyman mold description.

  1. #1
    Boolit Master
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    Lyman mold description.

    I'm looking at lyman 311359 mold and nearly everywhere I look it's listed as .309-.312, I don't understand how or why they would list a mold in that range of sizes. I'm pretty green at this but I honestly don't understand. I realize different alloys throw different sizes. But is that why? Or can I order a mold that drops .313 or is it luck of the draw? Does anyone know or should I just call lyman. As much as I have their products they're the only maker of a mold that I need.

  2. #2
    Boolit Master claude's Avatar
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    There are a couple of top notch mold makers that I am familiar with, having molds from each,

    Accurate molds; tom@accuratemolds.com

    NOE; noebulletmoulds@gmail.com

    They are capable of making what you want and it will drop the dia. you desire based on the alloy you specify.

    There are a few others, but these two I can say, "I use their products and they are A-One."

  3. #3
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    JonB_in_Glencoe's Avatar
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    Some people will tell you that some Lyman molds will drop under-spec boolits.

    If you use a alloy with less than 5% antimony and if you tend to cast HOT, you may well get under-spec boolits.

    If you cast with Lyman #2 alloy(95-5-5), a 311359 mold should drop a .311 boolit.

    If you are asking for experience, I haven't cast with a 311359. But I do own a lyman 313226 and it casts a .3135 boolit. I also have a older 225415 and that casts a .2250 boolit.

  4. #4
    Boolit Master
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    Same Mold will throw a little larger or smaller according to how hard you are squeezing the Handles together.

    Same Model-Number Mold from the same Manufacturer, will throw a little larger or smaller, from one Mold to the next.

    Generally one simply gets the Mold, sees what it throws ( according to how hard one is squeezing the Handles ), then, sizes accordingly, or as needed, if needed.

  5. #5
    Boolit Master
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    Its designed with deep enough grease grooves that it can be sized down to .309. I have one of those molds and it drops out at .312 if I remember right. I use to load it in a .32/20 sized to .311 but I also use it in a .300 blackout, .30-30, and .30-06 sized to .309. Its a great little bullet. One load I have for the blackout pretty much duplicates a .32/20 using the same 311359 bullet.

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