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Alpine DPT


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  1. #1
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    drop chart via JBM Ballistics - experience?

    Using the JBM simplified trajectory drop charts for 6.5x55
    How close to actual results would you expect that simplified trajectory to be (not for extreme range, probably just 300m - 400m) Rich

  2. #2
    R93
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    It would be pretty close. But I would confirm it by firing. There are a few variables that can effect it.


    Sent from my iPhone using Tapatalk. So please forgive my sausage fingers!!!
    Do what ya want! Ya will anyway.

  3. #3
    Member el borracho's Avatar
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    JBM is an excellent program and easy to use if you feed it correctly ie - velocity -projectile BC , USE g7 although that wont matter g1 or g7 at distances under 600 yards to much -scope height - use an average temp and say 500 feet in altitude and you shouldnt be to far off .Very important though to get you velocity sorted out and if you come as invited for a shoot I can sort that stuff for you quick smart .
    If you have an Iphone down load the JBM programe or ballistic FTE -If you have an android phone get Bryan Litz programe
    Tweed or not to Tweed that is the question

  4. #4
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    Quote Originally Posted by R93 View Post
    It would be pretty close. But I would confirm it by firing. There are a few variables that can effect it.

    +1

    Out to 400m it will be very close.

  5. #5
    Addicted puku's Avatar
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    Hey El B, what is the Bryan Litz program for Android? I've read "shooter" has a glitch somewhere (think it was on here). I read someone was out 1moa around 600yards, or has this been fixed?

    Sorry can't remember who said that or where it was read.
    I'll see if i can find it

    EDIT: (Can't seem to find it, but it may have been Norway??) Don't quote me on that though
    Last edited by puku; 03-08-2012 at 07:34 PM. Reason: added comment

  6. #6
    Member el borracho's Avatar
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    Litz is God in ballistics currently,great guy also.
    Buy his program and you will not be let down

    http://appliedballisticsllc.com/AB_app.htm
    Tweed or not to Tweed that is the question

  7. #7
    Caretaker Wildman's Avatar
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    Perfect for my 6.5. First round hits out to 750m

  8. #8
    Member el borracho's Avatar
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    Last edited by el borracho; 03-08-2012 at 08:12 PM.
    Tweed or not to Tweed that is the question

  9. #9
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    Just shoot IT , and make your own drop table , easy , its only 300-400m

  10. #10
    By Popular Demand gimp's Avatar
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    Out to only 400 meters almost anything will be 'close enough'

  11. #11
    Member el borracho's Avatar
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    with hunting in mind you know I think if more thought equipment buys through many would just opt for either a mill dot system or a ballistic reticle that they learn to use at closer distance -once learnt which would be very easy no need for a ballistics chart .Plex reticules for me serve little purpose
    Tweed or not to Tweed that is the question

 

 

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