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Thread: WTB core mold for de-rimmed 22lr cases

  1. #1
    Boolit Master HARRYMPOPE's Avatar
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    WTB core mold for de-rimmed 22lr cases

    Borrowed a Corbin set and need a way to make cores.
    Your mother was a hamster, and your father smelt of elderberries

  2. #2
    Boolit Master pertnear's Avatar
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    Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times.

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    Core molds are very easy to make. Since they have no grooves they can be plunge cut (drilled) If you can make mold blocks you can just hold them together with a clamp and drill them out with the proper sized drill (#2 drill bit is about the right size.)

  4. #4
    Boolit Mold

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    I have a 9 cavity i made works great, makes a 58.5 gr bullet with pure lead. I'd be happy to loan it to you cast as many as you need and send it back.
    pm me if interested
    Kevin
    I carry a gun because cops are too heavy too tote

  5. #5
    Boolit Master HARRYMPOPE's Avatar
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    kckid101. Thanks for the offer but im going to give the mold to my buddy I borrow it from when im done making enough bullets.

    pertnear- thanks I forgot about RCE!

    Traffer- I thought about that option
    Your mother was a hamster, and your father smelt of elderberries

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    Did you checked to see if BT Sniper has any?
    Steve,

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  7. #7
    Boolit Master HARRYMPOPE's Avatar
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    Quote Originally Posted by Minerat View Post
    Did you checked to see if BT Sniper has any?
    I messaged him on Facebook and haven't had a response
    Your mother was a hamster, and your father smelt of elderberries

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    I don't do FB, so can't help you there. You might PM him he is a vendor sponsor and is here regularly.
    Steve,

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    Just get one from Richard Corbin and be done with it? Unless you’re looking for mold cavity style then you’ll probably have to get it custom made.

  10. #10
    Boolit Master HARRYMPOPE's Avatar
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    I just looked into the Corbin and rce type and they look very awkward to use compared to a standard mold.ill see if I can get a Lee from BT Sniper or make one.

    Thanks for everybody's help.
    Your mother was a hamster, and your father smelt of elderberries

  11. #11
    Boolit Master



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    Advantage of Corbin core mold is weight selection by adjusting the volume of the mold cavity by screwing the set nust up or down.

    Click image for larger version. 

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    I cast 30, 45, and 50 grain cores to make 40, 55, and 60 grain bullets using 22LR brass (22LR weighs about 10 grains). I also cast 60, 65, 70, and 75 grain cores for use with longer (trimmed) 17HMR and 22WMR brass made into jackets for 70, 75, 80, 85, and heavier .223 bullets.

    A core mold made from a Lee or other type mold block does not give the ability to adjust for lighter or heavier cast cores. One can always size the cores down to various lesser weights using a core die (squirt die) to adjust weight; but reducing weight down more than 2 or so grains is a pain in the behind in my opinion.
    Mustang

    "In the beginning... the patriot is a scarce man, and brave and hated and scorned. When his cause succeeds, the timid join him, for then it costs nothing to be a patriot." - Mark Twain.

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    The advantages of the core mold is that it doesn’t need to be mount nor clamp in a vise.The downside is that it tends to stick in the mold with pure lead this require a bit of energy to drop the mold. The upside of the piston style core mold is that you can quickly eject mold instead of hitting the handles. There are adjustable core moulds, as I have lyman core molds that are fully adjustable for core weight. I imagine in this day and age you can get an adjustable mold given if you’re willing to pay up the extra fees associated with it.
    Last edited by Darth-Vaj; 07-18-2021 at 01:40 AM.

  13. #13
    Boolit Master HARRYMPOPE's Avatar
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    Hmmm I hadn't thought about the adjustment being an advantage.corbin says the mold is held in a vice and lead pored into it.it sounds strange
    Your mother was a hamster, and your father smelt of elderberries

  14. #14
    Boolit Master pertnear's Avatar
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    You can always buy a blank mold from Lee & make your own. The 2 cavity blanks are readily available but the 6 cavity not so much so. It's best to use a milling machine to make the cavities, but a drill press will work okay. Get the drill as precisely centered as possible so it perfectly bisects the 2 blocks. Remember that your cores don't have to be perfect like a bullet because they will be uniformed in the core squirt die. The good thing about the 2 cavity molds are that they are cheap enough to make several to keep handy & cast the weights you want.

    Here is a thread that I posted about it.

    https://castboolits.gunloads.com/sho...ight=core+mold

    Just FWIW...
    Last edited by pertnear; 07-18-2021 at 11:44 AM. Reason: added link
    Hard times create strong men, strong men create good times, good times create weak men, and weak men create hard times.

  15. #15
    Boolit Master HARRYMPOPE's Avatar
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    Thanks all.i just got a Blackmon core mold from a member here.
    Your mother was a hamster, and your father smelt of elderberries

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    BTW, Titan Reloading now has blank lee 6 cavity molds

  17. #17
    Boolit Master HARRYMPOPE's Avatar
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    Quote Originally Posted by Conditor22 View Post
    BTW, Titan Reloading now has blank lee 6 cavity molds
    Thx
    Your mother was a hamster, and your father smelt of elderberries

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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