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Thread: Which alloy?

  1. #1
    Boolit Buddy Captain*Kirk's Avatar
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    Dec 2009
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    Waukegan, IL
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    421

    Which alloy?

    I've been loading and shooting the Montana Precision Swaging 535gr Postell bullet (.458 dia) in my Pedersoli 1874 Sharps and really like it. These bullets don't seem to be available now and may not be for some time, if I'm reading between the lines correctly? (Not available; no backorder)
    I do have a new Lyman Postell mould, but not sure which lead alloy to use for casting this boolit. Midway sells casting lead as well as Rotometals. Any suggestions from either place?
    FWIW, MPS says their Postell is 20:1 alloy, 9.25 BH
    "Are you gonna pull those pistols, or whistle Dixie?"

  2. #2
    Boolit Grand Master Don McDowell's Avatar
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    Jan 2008
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    Hell Gap Wy
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    20-1 is a good alloy for the postel. Altho there's no flies in the ointment when using 16-1
    Buffalo Arms ships it in 50 lb boxes.
    John Walters will ship up to 60 lbs of it in a post office flat rate box.
    Long range rules, the rest drool.

  3. #3
    Boolit Mold
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    Metro OKC
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    Another plus for John. I have dealt with him ftf. Very helpful.

  4. #4
    Boolit Grand Master

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    I use the 20-1 pretty much with all my BPCR rounds. It works very well and casts easily.I do cast the lyman 535 postell with great accuracy But I have converted my mould to nose pour also. I buy alloy ready to go from roto metals or MVA, both will ship in flat rate boxes.

  5. #5
    Boolit Master 243winxb's Avatar
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    https://missouribullet.com/results.php?category=12

    Magic Alloy
    6Sb2Sn92Pb Antimonial Lead
    Modern equivalent of Lyman #2 Casting Alloy
    Commonly also known as Hardball or Magnum alloy
    Foundry Bullet Alloy with Certified Analysis 66 lbs. @$2.48/lb.
    Price: $163.68

    Smaller amount-16 lbs. @$2.55/lb.
    Price: $40.80
    Last edited by 243winxb; 11-17-2021 at 10:04 AM.

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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