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Thread: Increase in allow hardness Increase in bullet size

  1. #1
    Boolit Master
    Join Date
    Mar 2009
    Location
    usa
    Posts
    508

    Increase in allow hardness Increase in bullet size

    Just wanted to confirm as until last night it's been a couple years since I've casted. Working on a Smith Carbine and looking for a mold. If a mold is advertised to drop x.xxx" with pure lead can i assume it will drop at least 0.002" or more with a different alloy (harder) say 1 to 30/40 Tin Lead?
    Thanks in advance, DWD

  2. #2
    Boolit Master
    Join Date
    Jan 2011
    Location
    NE Kansas
    Posts
    2,421
    I believe that Lyman CBH #3 has a chart to show what alloys cast at larger or smaller diameters. In your case they will be the same because it is the antimony that makes the difference, not just hardness. You can probably find the same information at the LASC site, which has a link at the bottom of this page. Good luck. Dusty

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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