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Range Finding with a Reticle

 
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  #1  
Old 10-15-2008, 09:06 AM
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Range Finding with a Reticle

Does anyone know a source of information for game dimensions that I could use as an aid to range finding with my reticle? ie., what is the depth of the body of antelope or mule deer from back to belly?

And I would be glad to hear some techniques if anyone wanted to share.

I have an NP-R2 with 2 MOA hash marks.

Thanks,

Mark
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  #2  
Old 11-18-2008, 08:05 PM
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Re: Range Finding with a Reticle

NightForce might/probably has the info you need, or maybe snipershide.com/snipercountry.com has some thread or reference article. If you have a bore sighting collimator with a grid you can extrapolate from that, or put up a ruled grid at 100 yds and note the measurements in your log book. Leupold might also have an online file about their TMR reticle. Seems like they have one for their duplex reticle.
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Old 11-19-2008, 12:10 AM
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Re: Range Finding with a Reticle

Thanks for the ideas. I used my shoulder mounted antelope and bull elk for top of shoulder to brisket measurements, 16" for the antelope and 30" for the bull.

I zeroed my rifle @ 200 yds. Went out for antelope and shot my buck at about 180 yds, a no brainer there. Then went looking for some alphalpha fed does and found a herd in an open alphalpha field. They let me amble in to about 200 yds before they started acting a little skitish. I lined up my scope on one from prone shooting off my day pack. the body filled just less than cross hatches wich I figure made it about 300 yds (6 in per hatch @ 2 MOA @ 300 yds) My bullet drop from 200 to 300 yds was calculated at about 6 inches. So I put the cross hair on the back and the bullet struck about 6 inches below the back. Bang flop.

I've made a chart for elk. Hoping to pick up a laser this week, but knowing how to range witha reticle is a good back up skill to have.
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Old 11-19-2008, 12:13 AM
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Re: Range Finding with a Reticle

Elk 30” body, back to brisket

300 350 400 450 500 550 600 650 700 750 800 850 900 950
22x 10 8.57 7.5 6.66 6 5.45 5 4.62 4.29 4 3.75 3.53 3.33 3.16
11x 5 4.28 3.75 3.33 3 2.23 2.5 2.31 4.15 2

3 6.6x 7.7x 8.8x 9.9x 11x 12.1x 13.2x 14.3x 15.4x 16.5x 17.6x 18.7x 19.8x 20.9x

Elk Eye Spread 8”

22x 1.33 1.14 1 .89 .8

Last edited by MontanaRifleman; 11-19-2008 at 12:18 AM.
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  #5  
Old 11-19-2008, 12:20 AM
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Re: Range Finding with a Reticle

That looks like a jumbled up mess of numbers because the post wont take spacing, But that's my elk chart for my 5 /12 x 22 2 MOA NP-R2
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  #6  
Old 11-19-2008, 01:09 AM
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Re: Range Finding with a Reticle

Unless something magical has happened in the world then animals are varing sizes, just like people and to estimate their dimension inorder to estimate the distance use a reticle is not going to give a very accurate result at Long range IMHO
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Old 11-19-2008, 04:57 AM
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Re: Range Finding with a Reticle

Quote:
Originally Posted by jwp475 View Post
Unless something magical has happened in the world then animals are varing sizes, just like people and to estimate their dimension inorder to estimate the distance use a reticle is not going to give a very accurate result at Long range IMHO

Exactly the truth. This is experience talking...
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