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Thread: boolit weight average

  1. 11-20-2008, 10:00 PM #1
    Mumblypeg
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    boolit weight average

    What would be considered a good standard deveation for boolit weight? Say you cast a 311041. Boolits weight between 172gr and 174grs. That would be 173grs. plus or minus 1 grns. Would that be good or should they be sorted by say 1grain increments, ie. 172, 173 174. Shooting them to see if there is any noticeable difference not withstanding. What's your experience?
    Experience is the source of all knowledge.
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  2. 11-20-2008, 10:06 PM #2
    garandsrus
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    Mumblypeg,

    172 to 174 is close enough for me and the rifles I am shooting the boolits through

    John
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  3. 11-20-2008, 11:49 PM #3
    John Boy
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    What's your experience?
    Depends. If casting revolver bullets, if I get a 5 grain bell curve - no big deal because the weight differential at short differences is not going to impact accuracy.

    For Black Powder Cartridge bullets (400gr to 570grs) - I keep my rhythm constant to maintain a 1 -2gr bell curve. Then separate the bullets into 0.5gr batches. These bullets are used for 200 - 500 meter and also 1000yd's where grain weight consistency is required for good accuracy
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    John
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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