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Rifles, Bullets, Barrels & Ballistics Applied Ballistics


Could this be right?

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Unread 02-16-2012, 12:37 PM
Silver Member
Join Date: Dec 2007
Posts: 134
Re: Could this be right?

I want to shoot it over another chrony to see if it's any different than mine. I have suspected mine to be off from time to time but have never been able to verify it against another one. I'm kinda hoping LTLR will chime in on this one. He had a thread a few days ago shooting the 129 sst and made mention that the b.c. of that bullet was underrated. I would like to see how close his figures are to mine...
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  •   #9  
    Unread 02-16-2012, 02:19 PM
    Gold Member
    Join Date: Jan 2008
    Location: Gillette WY
    Posts: 914
    Re: Could this be right?

    Originally Posted by brentc View Post
    I believe they are both pretty close, but I also believe they are both underrated at .483.

    To the OP, can you confirm that your velocity is correct?

    That is the average across a wide velocity range

    3000fps is .520
    2500fps is .499
    2000fps is .481
    1500fps is .430

    so i would guess that over 600 yards your bc calculation is spot on of .505
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