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Allen Mag Shooters Group
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<blockquote data-quote="royinidaho" data-source="post: 133691" data-attributes="member: 2011"><p><strong>Re: Well, I\'ll think I\'ll do what Kirby says from now on......</strong></p><p></p><p>Tim/Tx it gets worse than that .....</p><p></p><p>From your above example shooting at 1150.</p><p></p><p>1 MOA @ 1150 is 1.047*11.50 or about 12"</p><p></p><p>Then 48/12= 4MOA or 16 clicks into the wind.</p><p></p><p>Here's one for ya.</p><p></p><p>Went to a yote spot w/son yesterday.</p><p>After the Dodge crew cab drove thru at about the 365 yard mark we decided to punch holes in snow (bustin rocks with a flair)</p><p></p><p>Seeing as how I hadn't shot the big girl beyond 500 meters I figured I see how the drop chart was working.</p><p>Was shooting the 169s @ 3250 and say 7 MPH cross wind.</p><p></p><p>I ranged a certain snow pattern with a rock in it at 634 yds. Clicked up 6.5 MOA per dope chart. Ignored the wind. </p><p></p><p>Son was spotting. First shot way low /ubbthreads/images/graemlins/confused.gif Couldn't be? Second shot, same spot? Clicked up 2 MOA. Mind went to mush (read no calculator /ubbthreads/images/graemlins/crazy.gif) Next shot still low. Ripper 'er up to 9 MOA. Shot was about 2" high (grooved the snow on top of the rock. We figured the rock was about the size of a clay pigeon maybe a bit larger)</p><p></p><p>No more clicks for the next shot, just got serious with the hold and trigger brake. Smack - dead on. Smiles cause I hit it. Frowns cause the drop chart was 2.5MOA off. (more on this later)</p><p></p><p>Sons turn. Shooting the 270 Win w/140 Hornadys @ 3200.</p><p></p><p>He asked what the range was, again. Our target was between the tops of two junipers. The Leica sighting square just fit in the opening. I told him 634 yds just as I got a 771 reading /ubbthreads/images/graemlins/confused.gif After more careful ranging the target was @ 771yds, 134 yds beyond the trees.</p><p></p><p>Guess what. Drop chart said 9.1 MOA and I had to adjust to 9.0 to hit the target. I'd say drop chart is pretty much on . And that's using a bc of 0.74.</p><p></p><p>The very interesting part was I did not hold for the wind and it was blowing that little 140gr bullet a bunch. but once he learned how much affect the wind had he hit the target also.</p><p></p><p>Twas a good day, except for the Dodge. /ubbthreads/images/graemlins/frown.gif</p></blockquote><p></p>
[QUOTE="royinidaho, post: 133691, member: 2011"] [b]Re: Well, I\'ll think I\'ll do what Kirby says from now on......[/b] Tim/Tx it gets worse than that ..... From your above example shooting at 1150. 1 MOA @ 1150 is 1.047*11.50 or about 12" Then 48/12= 4MOA or 16 clicks into the wind. Here's one for ya. Went to a yote spot w/son yesterday. After the Dodge crew cab drove thru at about the 365 yard mark we decided to punch holes in snow (bustin rocks with a flair) Seeing as how I hadn't shot the big girl beyond 500 meters I figured I see how the drop chart was working. Was shooting the 169s @ 3250 and say 7 MPH cross wind. I ranged a certain snow pattern with a rock in it at 634 yds. Clicked up 6.5 MOA per dope chart. Ignored the wind. Son was spotting. First shot way low [img]/ubbthreads/images/graemlins/confused.gif[/img] Couldn't be? Second shot, same spot? Clicked up 2 MOA. Mind went to mush (read no calculator [img]/ubbthreads/images/graemlins/crazy.gif[/img]) Next shot still low. Ripper 'er up to 9 MOA. Shot was about 2" high (grooved the snow on top of the rock. We figured the rock was about the size of a clay pigeon maybe a bit larger) No more clicks for the next shot, just got serious with the hold and trigger brake. Smack - dead on. Smiles cause I hit it. Frowns cause the drop chart was 2.5MOA off. (more on this later) Sons turn. Shooting the 270 Win w/140 Hornadys @ 3200. He asked what the range was, again. Our target was between the tops of two junipers. The Leica sighting square just fit in the opening. I told him 634 yds just as I got a 771 reading [img]/ubbthreads/images/graemlins/confused.gif[/img] After more careful ranging the target was @ 771yds, 134 yds beyond the trees. Guess what. Drop chart said 9.1 MOA and I had to adjust to 9.0 to hit the target. I'd say drop chart is pretty much on . And that's using a bc of 0.74. The very interesting part was I did not hold for the wind and it was blowing that little 140gr bullet a bunch. but once he learned how much affect the wind had he hit the target also. Twas a good day, except for the Dodge. [img]/ubbthreads/images/graemlins/frown.gif[/img] [/QUOTE]
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