Posted on Jun 24, 2019
SPC David S.
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36? 50? 100? of the more elusive MPBR? In looking at all the different zero' s one thing stands out - some are easier to understand than others. They are as well complicated by barrel length, scope type, reticle type and the ammo not to mention the intended function of the particular AR. From the more complex holds to just point and shoot what zero did/do you use on your AR and why?

http://www.thenewrifleman.com/maximum-bullet-flight-getting-the-most-out-of-ar15-zero/
Edited 5 y ago
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Responses: 3
CSM Richard StCyr
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Mechanical zero; I shoot either hand, which ever way I happen to grab the rifle and Mech zero has always worked well for me.
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SPC David S.
SPC David S.
5 y
You have the patience of a saint.
The closest I have come to doing this is after I zero at some range (distance) I reposition the zero's on the the turrets to the dots on the scope. Not really a mechanical zero - but a base to adjust from. I shoot ambi as well but prefer left.
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CSM Richard StCyr
CSM Richard StCyr
5 y
SPC David S. - My Dad believed it was important to be able shoot either handed so we practiced a lot when I was young. I wrote it off as a Dad-ism.

Later when he had a stroke, went blind in his left eye, he was able to continue hunting and target shooting without missing a beat and he tickled the heck out of me with "see what'd I tell you".
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SPC David S.
SPC David S.
5 y
My shooting was passed down from my father as well - with my dad it did not mater if zeroed or not - after two three close range shots he'd just adjust his shots using his experience. He was like a human ballistics calculator.
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MAJ Matthew Arnold
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I use 200 yards on my AR15A2 (20 inch) which I use for long range (400-1000) and I use the standard army zero on my AR15 (16) inch.
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TSgt David L.
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Lots of variables as you eluded to, SPC David S.. Different weight/shaped bullets will obviously impact at a different points and optic differences from model to model are problems. All things being equal (same weight/style of bullet) I'm with CSM Richard StCyr on the mechanical zero for iron sights. 100yds for scoped weapons and 25 for red dot types (home defense guns).
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SPC David S.
SPC David S.
5 y
TSgt David L. - Yes my dad kept notes on every time he went to a range - so I learned a good habit - I do count rounds - that's easy these days thanks to apps. Also tracks my ammo on hand - I'm sure somewhere someone is looking however don't care.

An 800 yard range is an incredible thing to have access to.
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TSgt David L.
TSgt David L.
5 y
SPC David S. - We have an outstanding range thanks to some good people and NRA grant money.

Nice that you had a good teacher! What app do you use. I just have a little notebook I track it in.
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SPC David S.
SPC David S.
5 y
Three main ones that I use on the phone are Gun Tracker Pro, Range Buddy and Strelok. Gun Tracker Pro - tracks your on hand ammo, gun usage (rounds fired) and cleanings. As well you can track misfires add notes and all sorts of other info about your guns. Range Buddy is a shot group MOA calculator take a picture of your target, calibrate scale and then touch your shots - done. The last is pretty cool. Strelok is a ballistics calculator.Takes into account weather conditions when zeroed, current weather and slope. It has a huge list of reticles as well ammo. More or less shows you your hold on your reticle on your phone for what determined range of shot. There is a Strelok pro and + version with more reticles and ammo features.
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TSgt David L.
TSgt David L.
5 y
SPC David S. - Thanks. I'll check Gun Tracker out. I have Strelok. Too cheap to buy Pro! LOL
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