Long Range Hunting Online Magazine Ballistic Calculations Please.
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#1
11-16-2006, 08:05 PM
 Gold Member Join Date: Sep 2002 Location: Illinois Posts: 837

For all you ballistitians out there, I need some calculations. I'm shooting a .244 Ak with 107 SMKs at 3100fps. I have a NXS 8-32X56 with the MLR reticle. The rifle is "zeroed" at 107 yds. first target. Second target is 417 yds and exactly 5.50 mils up from "zero". My questions are How many mils up from "zero" would 200, 300, 500, and 600yards be?
db
#2
11-16-2006, 09:01 PM
 Platinum Member Join Date: Jan 2003 Location: The rifle range, or archery range or behind the computer in Alaska Posts: 3,830

5.5 Mils at 417 yards??

Something is off. You should be 1.57 Mils at 417 yards assuming this is 59 degrees, 0 feet and 29.92 Hg.

200 yards should be 0.29 Mil, 300 0.82, 400 1.46, 500 2.19 and 600 should be 3 Mils even.
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Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.
#3
11-16-2006, 09:19 PM
 Platinum Member Join Date: Jun 2001 Location: Potomac River Posts: 5,088

400 yds would be 5.5 MOA up or about 22.3 inches for an exact 100 yds zero. Are you sure it is mils?

200 yds would be about 1.3 MOA and 300yds about 3.3 MOA

500 yds = 8.1MOA, 600 yds= 11.1MOA

I didn't bother to run a program I just went to the Sierra exterior ballistics site and used their tables.
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The Smokin Fur Rifle Club
#4
11-17-2006, 06:58 AM
 Gold Member Join Date: Sep 2002 Location: Illinois Posts: 837

I don't know what's going on here. The scope has the MLR reticle on it so I assume the adjustments are in mils. My 107 yd zero is 3.25 above the 200 line and to hit on at 417, I have to elevate up to 8.75. Is it possible I have a mil reticle that adjusts in MOA? [img]/ubbthreads/images/graemlins/confused.gif[/img]
db
#5
11-17-2006, 09:50 AM
 Platinum Member Join Date: Jan 2003 Location: The rifle range, or archery range or behind the computer in Alaska Posts: 3,830

You say you have an 8-32x. What power were you using?

Also, the MLR has alot more hold overs than the mil dot, but it is still based on mils. How many actual hold overs were you using?
__________________
__________________
Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.
#6
11-17-2006, 04:33 PM
 Gold Member Join Date: Sep 2002 Location: Illinois Posts: 837

I normally shoot on the "R" which I believe is 22X. I wasn't using any hold overs, I was actually dialing the elevation turret up and down and sighting on the center cross of the reticle.
db
#7
11-17-2006, 05:43 PM
 Gold Member Join Date: Sep 2005 Posts: 748

Hi DB the elevation turrets are in 1/4 MOA the glass etched reticle is in Mills so if you want to use it for holdover you must have it on 22 power for it to be calibrated correctly but at diferent powers you can work out what the distances are. Now if you are winding your knobs the power does not matter it is consistant at every power as you are working off the centre cross and that point does not change with power adjustments.

Cheers Bill
Australia

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