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Thread: .509 or .512 round ball mold

  1. #1
    Member
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    .509 or .512 round ball mold

    Round ball mold wanted for a 52 caliber muzzleloader

    A .509 would work
    A .512 would be perfect
    This is a pretty long shot

    I have plenty of .50 and thereabouts size molds and a .535
    But this muzzleloader has fallen between them
    An unusual size for a 1974 built muzzleloader
    .52 was common in the old days when a 50 cal was " refreshed " by re boring and rifling up a size

    Otherwise I trying to think of a way to open up an existing smaller round ball mold I have ?

  2. #2
    I hunt, therefore I am.
    Join Date
    Sep 2019
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    Mould traditionally made with "cherries" - pretty much a diamond burr in a die grinder type set up.
    You would of course need a burr the right size and shape and a machinist vice that closes both jaws to centre, or do it under a mill and tram into each half perfectly.
    If you happened to have a sphere cutter on your lathe you could make the cherry. Or freehand it.
    Quote Originally Posted by 308
    not smart enough to be useful
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  3. #3
    Member
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    Quote Originally Posted by mimms2 View Post
    Mould traditionally made with "cherries" - pretty much a diamond burr in a die grinder type set up.
    You would of course need a burr the right size and shape and a machinist vice that closes both jaws to centre, or do it under a mill and tram into each half perfectly.
    If you happened to have a sphere cutter on your lathe you could make the cherry. Or freehand it.
    I have a friend that has a die making milling machine with a self centering vice that I guess brings the halves together
    Waiting to hear from him on his fix

    I will blow some powder through behind a double patched 50 cal and at least try it out
    Have cleaned the barrel and its looking good
    About 1:60 twist so its strictly cap-n-ball which is what I was hoping for
    Swapped out the aperture for a smaller one for better target accuracy
    Tightened up a few screws and the stock key so everything stays in place
    Cleaned the nipple and put never seize on its threads
    Micky Duck likes this.

 

 

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