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Thread: BHN and Gas Checks

  1. #1
    Boolit Buddy metricmonkeywrench's Avatar
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    BHN and Gas Checks

    As I was seating some 35 cal gas checks on some 358156 for the first time and pondering the meaning of life the universe and everything, I got to wondering what is the high and low end of the BHN range for gas checks.

    Straight lead is probably not worth the effort and on the high end there is likely a hardness where a gas check doesnt matter.

    For this batch I cast the bullets out of my 14 BHN that I have been using for rifle bullets, but I also have a bunch of 10.4 range scrap that I have been using for .38 wadcutter.

    (BTW the answer is 42 of course )

  2. #2
    Boolit Buddy
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    But what is the question?
    Praise the Lord and pass the ammunition.

  3. #3
    Boolit Buddy metricmonkeywrench's Avatar
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    the answer to life, the universe and everything of course

    Nothin on the bhn though?

  4. #4
    Boolit Master

    kungfustyle's Avatar
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    the answer is 42, just kidding Hitchhiker's guide to the galaxy. But 14 should be a great candidate for gas checks. It does matter on the bn, people will chime in with all answers. For me, anything over 1400 fps, gc. PC from 1000 to 1400 and your good to go. Anything over that and you still should have a gc. If you want just lead, look at paper patching. That will work with the 10 or 14 bn. You may be able to eek out a bit more out of 20/22 bn but its not worth the expense of extra tin/antimony. If you want to go 2300fps buy speer for $.17 each on sale IMHO
    Last edited by kungfustyle; 02-11-2020 at 11:20 PM.

  5. #5
    Boolit Master



    cwlongshot's Avatar
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    As a rule if a bullet calls for a GC it gets one.

    My PC has proven again and again it negates the “need” for a GC up to nearly 2K velocity.

    I Just was GC’ng some experimental hardness BHN7 220g HP MiHec bullets. I’ll Powder cost then later today. The GC for me (after PC) is to provide a important perfect bullet base. Not so much to protect against heat and pressure.

    CW
    NRA Life member REMEMBER, FREEDOM IS NOT FREE its being paid for in BLOOD.

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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