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Thread: Roundball mold to big...........

  1. 09-30-2011, 09:24 AM #1
    Russell James
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    Question Roundball mold to big...........

    Gday fellas and girls,
    Got myself a roundball mold that is about about 21 mm and would love to somehow produce a 18 mm roundball out of it. Was hoping that some of you mob would have some ideas ..............
    Regards RJ.
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  2. 09-30-2011, 10:25 AM #2
    Blammer
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    how big in "inches" is 21mm?
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  3. 09-30-2011, 10:45 AM #3
    44man
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    21mm is .8268" and 18mm is .7087".
    It would be a nice trick to make a smaller ball!
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  4. 09-30-2011, 04:28 PM #4
    Catshooter
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    Russell,

    None that I can think of. If you were to mill off half of the amount you want gone from each of the mould inside faces it would hardly be a round ball anymore.

    Eighteen to twenty one is quite a bit. My brother shoots a .646 ball through a .626 bore, but that's only what, a half a millimeter or so? He just let's the bore size the ball down. Don't know if that would help you or not.


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  5. 09-30-2011, 04:46 PM #5
    waksupi
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    Try washing it real hot,then put it in a hot drier. Should shrink it considerably. Worked on a pair of my wool pants, anyhow.
    The solid soft lead bullet is undoubtably the best and most satisfactory expanding bullet that has ever been designed. It invariably mushrooms perfectly, and never breaks up. With the metal base that is essential for velocities of 2000 f.s. and upwards to protect the naked base, these metal-based soft lead bullets are splendid.
    John Taylor - "African Rifles and Cartridges"

    Forget everything you know about loading jacketed bullets. This is a whole new ball game!

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  6. 09-30-2011, 05:08 PM #6
    shotman
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    wakie you could sell him lube grooves they will SWRINK anything
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  7. 09-30-2011, 07:39 PM #7
    excess650
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    You're looking to cast .709". Lyman makes .715" and .735" RB moulds.
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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