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# Ranging elk with a Nightforce NP-1RR?

#1
09-18-2004, 07:36 AM
 Gold Member Join Date: Mar 2002 Location: mi Posts: 991
Ranging elk with a Nightforce NP-1RR?

I have a 8x32 Nightforce scope with the NP-1RR reticle and was wondering what power I should use to range elk. The reticle is set up for deer with 18" spacing at 22 power. How big would an elk be form back to brisket?
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#2
09-18-2004, 10:35 AM
 Silver Member Join Date: Sep 2002 Location: Colorado Posts: 273
Re: Ranging elk with a Nightforce NP-1RR?

Kahles has a pretty good Animal Silhouette Depth ChatAnimal Silhouette Depth Chat. I am not sure I agree completely with their numbers, but in general I would go with 22" for a cow, 22-24" for young bulls and 26" for a mature bull.
#3
09-19-2004, 08:02 AM
 Gold Member Join Date: Mar 2002 Location: mi Posts: 991
Re: Ranging elk with a Nightforce NP-1RR?

QuietHunter
Thank you for the help.
Crow Mag
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#4
09-19-2004, 01:53 PM
 Platinum Member Join Date: Feb 2003 Location: Pueblo, CO Posts: 1,153
Re: Ranging elk with a Nightforce NP-1RR?

Hey Eric-- if that reticle is in the 2nd focal plane-- u should be able to use an inversely proportional formula to calculate the magnification necessary to adjust the subtension to whatever u want, remember as magnification DECREASES reticle subtension INCREASES, i.e. inversely proportional--for your NPRR-- 18"/size of target (24")= x mag./22X-- 18x22=24xX = 16.5, i.e. set the scope to 16.5X for a 24" subtension. Better check it tho-- sometimes ocular mag. isn't calibrated perfectly.

[ 09-19-2004: Message edited by: sscoyote ]
#5
09-19-2004, 02:56 PM
 Platinum Member Join Date: Jan 2004 Location: Blackfoot, Idaho Posts: 7,847
Re: Ranging elk with a Nightforce NP-1RR?

Tried ranging w/mil dot last year. Was pretty cocky/confident. Then I got the LRF. My reticle ranging was good out to a couple of hundred yard (where ya don't need to know) beyond 300 yards I was off some times as much as 100 yds.

I practiced a bunch but never got there. Now the Mil-dot does the hold over thing while the LRF determines the range. Works super well.

Just a couple of cents worth.
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#6
09-19-2004, 03:41 PM
 Gold Member Join Date: Mar 2002 Location: mi Posts: 991
Re: Ranging elk with a Nightforce NP-1RR?

sscoyote
I was thinking it would be around 16x. That would be nice I could use 32x and range at 1/2 what the reticule in calibrated on elk I will have a couple range finders 1 Wild and 2 LRFs on the hunt. I am just interested in how accurate the nightforce reticule is.

Image is of a 4' gong at 1688 yards at 32x

Crow Mag
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#7
09-19-2004, 11:59 PM
 Platinum Member Join Date: Feb 2003 Location: Pueblo, CO Posts: 1,153
Re: Ranging elk with a Nightforce NP-1RR?

Eric-- how'd u get that pic thru the scope so perfect??Any special photo equipment for it??

Reworking the equation then gives 18/X" @ 32X= 32/22 == 12.4" @ 32X, and of course doubled gives 25".

[ 09-20-2004: Message edited by: sscoyote ]

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