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Range Finding with a Reticle

 
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  #15  
Old 11-19-2008, 06:00 PM
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Join Date: May 2008
Location: South of Canada and North of Wyoming
Posts: 5,954
Re: Range Finding with a Reticle

Quote:
Quote:
Originally Posted by 4xforfun View Post
I agree. You get out to four digit ranges, say 1100 yards, being off by 15 yards (about 1 %) = a shot 12" high or low....that is with a 30/210 vld at 2950at ele 1300/30 degrees. 12" is HUGE on an antalope and deer.

You need to know EXACTLY how far the target is!!! a GOOD rangefinder is the only way to go!!
Already said, I porbably wouldn't recommend this for 900 yd shot, but for an *elk size target* at 600 yds it would probably work.

Relax guys, take a chill pill.
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  #16  
Old 11-19-2008, 06:45 PM
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Join Date: Oct 2007
Posts: 818
Re: Range Finding with a Reticle

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Originally Posted by MontanaRifleman View Post
Already said, I porbably wouldn't recommend this for 900 yd shot, but for an *elk size target* at 600 yds it would probably work.

Relax guys, take a chill pill.
Sorry...i just saw your chart (or what I could make of it), saw 950, and assumed it was a yardage.

I guess I shouldn't assume!!

Again, sorry.
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  #17  
Old 11-19-2008, 06:56 PM
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Join Date: May 2008
Location: South of Canada and North of Wyoming
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Re: Range Finding with a Reticle

Quote:
Quote:
Originally Posted by 4xforfun View Post
Sorry...i just saw your chart (or what I could make of it), saw 950, and assumed it was a yardage.

I guess I shouldn't assume!!

Again, sorry.
No worries, it was 950 yds, I was having fun with my calculator

I was thinking about testing this technique against a laser range finder. I could take a range finder and my rifle to Yellowstone and find some elk to range. Ya think the rangers might get a little bent out of shape?
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  #18  
Old 11-21-2008, 01:05 PM
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Join Date: Feb 2003
Location: Pueblo, CO
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Re: Range Finding with a Reticle

Actually MR, that really would be a great way to practice it (with just the scope--less the rifle). Just take a notepad to write it all down and u could calculate percentages later. That is basically what i do when coyote hunting during the winter. I always see antelope so i range them and take a reticle-reading, and usually calculate later when i get home.
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  #19  
Old 11-22-2008, 09:56 PM
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Join Date: Feb 2003
Location: Pueblo, CO
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Re: Range Finding with a Reticle

Don't know if i should post this or not, but i went out today coyote hunting, and had the opportunity to reticle-range an antelope buck that lasered right at 600 yds. avg. of about 2 readings. He occupied back to brisket what i guessed to be .9 of the distance between stadia line 2 and 3 of the Burris 4-12x Mini's Ball. Plex reticle. Here's the calc figuring 15" back to brisket, and subtracting the line thickness (.19 inch per hundred yds.= 2.78 IPHY between stadia lines).

15 x 100 / 2.78 / 0.9 = 599 yds.

...but if was only +/- 1/20th off in the interpolation (.85-.95) here's the range of error--

1500 / 2.78 / .95 = 568
1500 / 2.78 / .85 = 635

67 yds. error (also assuming the buck was actually 15", and not 14.5 or 15.5).

...Fun to play with tho. (when it works).
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  #20  
Old 11-24-2008, 05:01 PM
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Join Date: Feb 2003
Location: Pueblo, CO
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Re: Range Finding with a Reticle

Here's more from today on an avg. antelope buck (15" back to brisket?)--

Leupold 4.5-14x VX-III Plex reticle (2.7 IPHY X-PPT)--

1) Lasered 507, Reticled at 1.1 subtension units (SU)--
15 x 100 / 2.7 / 1.1 = 505

2) Lasered 700, Reticled @ .8 SU--
15 x 100 / 2.7 / .8 = 694
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