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3 shot zero

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Old 04-08-2013, 10:03 PM   #21
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I've done 100yd 2 and 3 shot zeros off a ledsled on a calm day but I refuse to accept positive data acquired so cheaply and will fire the whole box as confirmation.
Hijo de mala leche
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Old 04-08-2013, 10:57 PM   #22
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[QUOTE=kaido;1206707]I've done a two shot, but the second was to essentially confirm the zero. I put the gun in a lead sled, fired it with the cross hairs dead centre, then all you do is set the rifle back up the exact same way as before you shot it. After you e done that you just move the windage/elevation to where the bullet impacted, then fire another shot to confirm.

Yep, been doing that for over 40 years on 100 yard targets. Always works.
Saves al ot of ammo. Difference is, once I adjust to impact point. I adjust scope upward 2 inches. That puts me just about dead on at 200 yards.
US Naval Aviation AMSC 20 years ( retired) ASW/Aircrew Wings, P2V plane capt. Tail hooker,
US Naval Academy (DI) Shooting Instructor (Annapolis) NDW shooting team member.
Alway keep your six covered
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Old 04-08-2013, 11:56 PM   #23
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Originally Posted by Gonzilla View Post
I agree - There are few things as humbling as "coming back to it later in the process."

Not sure but I think this 3 Shot zero is a Military thing. All gun sights are brought to "Mechanical Zero" then the trooper fires one 3 shot group to see where the gun is shooting. Once known - it's a just a matter of adjusting the sights (POA=POI). In Theory, a good shooter can be on Tgt after only ONE - 3 shot group.

However, EVERYONE always seems to fire a confirmation/fine tuning group. Scores are very competitive, enlisted get promotion points based on their performance.

So I suppose in "Wonderland" - everyone is sighted in w 3 and qualifies "Expert" on their first try.
i think your right.

our first 3 shots is to see where it hits for us.

adjust from there.

the next three shots are to fine tune or confirm.

this is followed by 4 shots to double confirm. or if you didnt quite get it the last time now is the chance to fnalize adjustments.

sighting in in the military was always done with 10 rounds
I have been a silent witness
to all of America's finest hours.
But my finest hour comes
when I am torn into strips and used as bandages
for my wounded comrades on the battlefield,
When I fly at half-mast to honor my soldiers,
Or when I lie in the trembling arms
of a grieving mother
at the graveside of her fallen son.
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Old 04-09-2013, 01:50 AM   #24
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NIKON also has an online ballistics program that works pretty well. It is called spoton if you look at their website. I have used it to bring me in really quick also. I then print out the info and tape it to my stock or something so I always have it.
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Old 04-12-2013, 04:23 AM   #25
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Video I have bookmarked. NSSF has some great videos.

Including bore-sighting, a short 25-yard shot, shooting groups and making adjustments at 100 yards, slipping the scales and finding mechanical zero.

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