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Thread: Boolit Diameter Aging Changes

  1. 08-19-2014, 05:28 PM #1
    Jeff Maney
    Jeff Maney is offline
    Boolit Bub
    Join Date
    Aug 2013
    Location
    Tannersville, VA
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    65

    Boolit Diameter Aging Changes

    I re-checked five boolit lots (diameters were first checked the day cast) I had cast since last November. All lots had increased 0.0007"/0.0009" except for the 311299? Maybe the longer time since casting or the lower Sb % is responsible? I have read this for years, wait to size, etc. Might be interesting to see any changes with more time?

    Jeff
    Mold Date Band Diameter Band Diameter Diameter Sn % Sb % BHN
    ID Cast Cast/" Aged/" Change/"
    Lyman 311299 5-Nov-13 0.3106 0.3107 0.0001 2.50 2.39 11.5
    C312-155-2R 31-Mar-14 0.3115 0.3122 0.0007 1.82 4.82 13.6
    C312-155-2R 11-Apr-14 0.3116 0.3125 0.0009 1.79 4.78 13.5
    C312-155-2R 13-Apr-14 0.3116 0.3125 0.0009 1.94 4.98 13.7
    HM2-311-160-5 14-May-14 0.3127 0.3136 0.0009 2.00 5.07 13.8
    Last edited by Jeff Maney; 08-19-2014 at 06:49 PM.
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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