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Thread: Hardness

  1. #1

    Hardness

    I just cast bullets in C312-185 lee my velocity im guessing 1500 Can I get buy with out a gas check .They are cast from week weights and 12" PC of solder then cold dropped in water?

  2. #2
    Boolit Master Rcmaveric's Avatar
    Join Date
    Jul 2017
    Location
    Jacksonville, FL
    Posts
    698
    I would be shooting from the hip if i answered that. Its more peak pressure based. The base of the bullet needs to with stand the pressure. Some where in the 28k +/- a a few k. Gas check can protect the base from being deformed. That number is a ball park and not hard set. I always gas check if a bullet is ment for it. Try it and see what happens then report back.

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  3. #3
    Boolit Master
    Join Date
    Jan 2009
    Location
    Nashville, TN.
    Posts
    670
    Morning all, I’ve never shot un checked boolits, many guys have. I would think the “Fit” of the unchecked boolit would play a bigger role than hardness. If gas gets by the bands you will know soon enough.
    I would load up a few and give them a try. If the accuracy is good and no or little leading then your ok.
    I use alunium checks on mine and fire in a Marlin 30-30.
    There are several vendors on here that sell Cu/ alum checks.
    Good luck and keep us posted on your results.

    Mike

  4. #4
    Boolit Master Grmps's Avatar
    Join Date
    Jul 2016
    Posts
    2,161
    I know that PC'd boolits of proper diameter and alloy shoot fine up to around 1800 fps.

    The only way to really know is to Try what you have and see what your barrel and target tells you.

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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