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#6490965 - 10/11/16 03:24 PM 6.8 120 SST Hornady factory
Bigfoot Offline
Pro Tracker

Registered: 08/06/14
Posts: 1042
Loc: Galveston Bay
16 inch barrel

I just sighted her in at 50 yards. At the 100 yard range my POI is 1.5 inches higher.

What will be the elevation at 200?
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#6491024 - 10/11/16 04:02 PM Re: 6.8 120 SST Hornady factory [Re: Bigfoot]
Bar-D Online   content
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Registered: 02/03/11
Posts: 1388
Loc: The Lone Star State
Go to Hornady's ballistics calculator and use 175 yds for the zero. It matches up pretty well with the numbers you have given and puts POI at 1.5" low at 200 yds. The bullet has a BC of .400 and muzzle velocity of 2460 from a 16" barrel.
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#6491039 - 10/11/16 04:14 PM Re: 6.8 120 SST Hornady factory [Re: Bigfoot]
Bigfoot Offline
Pro Tracker

Registered: 08/06/14
Posts: 1042
Loc: Galveston Bay
I couldnt figure out the calculator but 1.5 inches low sounds about right
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45acp
22LR

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#6491148 - 10/11/16 05:29 PM Re: 6.8 120 SST Hornady factory [Re: Bigfoot]
QuitShootinYoungBucks Online   content
THF Trophy Hunter

Registered: 11/01/12
Posts: 8683
Loc: Lubbock, TX
I figured out the calculator but your sight height must be TALL. Even at 2.5" of sight height and 50 yd zero, it said 100 should be .9" high and that would end up 2.5" low at 200.
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#6491155 - 10/11/16 05:33 PM Re: 6.8 120 SST Hornady factory [Re: Bigfoot]
TackDriver Offline
Tracker

Registered: 05/02/14
Posts: 837
The best way would be to shoot at 200 yards for an accurate figure.

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#6491185 - 10/11/16 05:51 PM Re: 6.8 120 SST Hornady factory [Re: Bigfoot]
Bigfoot Offline
Pro Tracker

Registered: 08/06/14
Posts: 1042
Loc: Galveston Bay
Yes my red dot is sitting on a larue660T so it is up. I wanted to shoot at the 200 yard range but it was pouring down on me at the 100 so I left early. Couldnt even get pics of my range session.
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22LR

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