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Old May 29, 2010, 11:30 AM   #1
David the Gnome
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Sighting in an AR15 with BUIS

I've got a 16" flat top AR with the standard front sight and a YHM BUIS for the rear. 100 yards is about as far as I want to take it with the BUIS. I've been searching and pretty much all the instructions I see for sighting in the AR are for the fixed carry handle and a 300 meter zero. Does anyone have some instructions or tips on how I can at least get close to a 100 yard zero with the BUIS?
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Last edited by David the Gnome; May 29, 2010 at 03:59 PM.
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Old May 29, 2010, 05:44 PM   #2
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Zero it at 25 yards, and you will hit center mass out to 250 (That is the theory anyway)

It will put you within a few inches at 100 too.
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Old May 29, 2010, 09:49 PM   #3
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I used a 50 yard zero on my AR based on information similar to this. Notice that if you use a 50 yard zero, you have "functional accuracy" out past 200 yards.

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Old May 29, 2010, 10:05 PM   #4
Zak Smith
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A 25- yard zero is a recipe to miss everything high from 50 to almost 300 yards.

A 50-yard zero is the way to go.
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