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ballistic coefficients?

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  #8  
Unread 07-16-2003, 11:04 PM
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Re: ballistic coefficients?

Hello

The 200 Gr MK has a BC of .600 and the 220 has a BC of .655.

The 240 Gr MK has a .711 BC


Later
DC
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  •   #9  
    Unread 07-17-2003, 05:58 AM
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    Re: ballistic coefficients?

    cdixon

    This is a copy of BCs for common LR bullets from an earlier post and everyone has been adding to the list as we go.


    6.5 Caliber
    Sierra 142 .595@2850
    Berger 140 .633@2240
    JLK 140 (B) .630
    Clinch River 147 _____
    AMAX 140 .618@2400
    Cauterucio 141 .630

    7mm Caliber
    JLK 168 .690
    JLK 180 .738
    Sierra 168 MK .636
    Cauterucio 156 .615
    Cauterucio 176 .750
    Berger 168 .648
    Berger 180 .738
    AMAX 162 .625
    Nosler 140 BT .488

    30 Caliber
    Sierra 168 MK .462
    Sierra 180 MK .475
    Sierra 190 MK .565
    Sierra 200 MK .600
    Sierra 220 MK .655
    Sierra 240 MK .711
    Sierra 200 GK .597
    Berger 168 .512
    Berger 175 .537
    Berger 185 .569
    Berger 190 .583
    Berger 210 .640
    JLK 190 .602
    JLK 210 .665
    AMAX 168 .475
    AMAX 178 .495
    Cauterucio 190 ____
    Cauterucio 210 ____
    Clinch River 216 ____
    Hornady 180 SST .481
    Lapua Scenar 155 .508

    338 Caliber
    Sierra 250 MK .565
    Sierra 300 MK .797
    Hornady 225 SST .526

    Anyone got any updated info, particularily on GTB(Cauterucio) bullets, post it and I will modify the chart above.

    BH

    [ 07-17-2003: Message edited by: BountyHunter ]
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      #10  
    Unread 07-17-2003, 06:57 AM
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    Re: ballistic coefficients?

    Hello BH

    The Oehler program has the 30 Cal Sierra Match King 190 gre at .565 the Game king 200 gr at .597.
    The 30 cal 200 Gr Match King at .600 and the 30 cal 220 Gr Match King at .655.

    Everything else that's posted seems to be what the manufacturer has "claimed" as per the "custom lines".

    Later
    DC
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      #11  
    Unread 07-17-2003, 06:58 AM
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    Re: ballistic coefficients?

    Cauterucio 7MM, 176 at .750

    Checks out with my drop tables.
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      #12  
    Unread 07-17-2003, 09:45 AM
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    Re: ballistic coefficients?

    Len

    changes added to list. Still think this would be pretty good start for FAQ info item and guys have lot of other good stuff for that. Would answer lot of reoccuring common questions.

    BH
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      #13  
    Unread 07-17-2003, 10:31 AM
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    Re: ballistic coefficients?

    Would like to compare notes on the SST and amax bullets. In my experience, they fly "flatter/higher BC" then their listed BC. Have had that in several rifles and 30cal from 308 to 300Wby.

    Any thoughts???

    Jerry
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      #14  
    Unread 07-17-2003, 01:18 PM
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    Re: ballistic coefficients?

    It is 1.598" long. Tip to base.


    DC
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