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drop chart and chronograph drop chart

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  #22  
Unread 10-30-2011, 09:42 AM
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Join Date: Oct 2008
Location: Black Hills, SD
Posts: 129
Re: drop chart and chronograph drop chart

Quote:
Originally Posted by sdriverbottom View Post
Any idea on where/how I can find my actual turret movement..Sightron 6-24x50 Slll SS??
Get a long piece of butcher paper. Set it up vertically at 100 yards. Place a dot near the bottom edge and shoot a group. Dial in (and count) almost all of your elevation and shoot another group aiming at the same dot. Measure the distance between the center of the two groups. Do the math to find your true click value.
I.E. - dialed 112 clicks (28 MOA), distance moved - 27.25"
Click value = 27.25 / 112 = .2433"

Also a good opportunity to verify if your scope is mounted level. Take a piece of string and a weight with you. Check it before you move the paper.

Bob
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Last edited by Bobcape; 10-30-2011 at 09:45 AM. Reason: Added "Check it before ..."
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  •   #23  
    Unread 10-30-2011, 07:06 PM
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    Join Date: Dec 2008
    Posts: 27
    Re: drop chart and chronograph drop chart

    I agree with bigngreen and Bobcape.

    I have one Nightforce that fits best with 0.094 mRad click value and another with 1.05 mRad click value. These inputs make the flight curve fit over all distances rather than either up close only or out wide only.

    Try the butchers paper trick, it can yield good information.

    Cheers,

    Matt
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      #24  
    Unread 11-01-2011, 10:42 AM
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    Join Date: Feb 2011
    Posts: 89
    Re: drop chart and chronograph drop chart

    Sounds good thanks guys!
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      #25  
    Unread 11-01-2011, 12:27 PM
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    Join Date: Oct 2006
    Location: White Mountains, AZ
    Posts: 287
    Re: drop chart and chronograph drop chart

    Awesome thread.
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