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supersteve9219
04-23-2010, 10:46 AM
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Call_me_Tom
04-23-2010, 10:56 AM
http://www.6thmarines.com/USMC%20Rifle%20Marksmanship%20Data%20Book.pdf

pg 30

anniepoks
04-23-2010, 2:11 PM
very basic would be break down your rifle.
with your upper handy- in a flat surface wedged; without any movement- peep thru the barrel and aim at least 20-40 yards.
then work with iron sight with that projected 'target'. look again thru the barrel and iron sight couple times. once you have done it, it would be easier in the range to do the fine tuning. it worked for me.

tomd1584
04-23-2010, 2:23 PM
shoot 3 shots @ 50 yards. Aim at the same point every shot.

if the impacts are left of the target, adjust the rear sight in the direction "right"

If the impacts are above the target, adjust the front sight post in the direction "down"

Thats it. Adjust until you are satisfied.



EDIT: I recommended 50 yards because if your sights are way off, you wont be wasting ammo trying to get on paper. You can always move out further to 100 yards and put the finishing touches on it.

Tom

chavez27
04-23-2010, 2:25 PM
http://ar15zeroing.com/

http://www.ar15armory.com/forums/Zeroing-M4-AR-15-t69085.html&p=892362

vega
04-23-2010, 5:25 PM
Tagged.
Keywords: Zeroing Ar15

windrider
04-23-2010, 5:35 PM
http://www.6thmarines.com/USMC%20Rifle%20Marksmanship%20Data%20Book.pdf

pg 30

I have been looking for a digital copy of this forever, tom you rock

gbackus
04-23-2010, 5:38 PM
the a1.5 sight is setup for a 25/300 yard zero.

HUND
04-23-2010, 7:55 PM
Good info ...

I'm doing the same thing.

Thanks

supersteve9219
04-24-2010, 7:48 PM
the a1.5 sight is setup for a 25/300 yard zero.

Great, so I only have to zero at 25 and it will be zeroed at 25 and 300 right? That would make it slightly high at 100 right?

I tried sighting it in at 100, was a huge failure:(, was super windy, forgot my spotting scope and it seemed like the iron sights completely covered the target at that distance!

gbackus
04-24-2010, 9:42 PM
Great, so I only have to zero at 25 and it will be zeroed at 25 and 300 right? That would make it slightly high at 100 right?

I tried sighting it in at 100, was a huge failure:(, was super windy, forgot my spotting scope and it seemed like the iron sights completely covered the target at that distance!

Right, i don't know the exact numbers, if you search at m4carbine.net they have some great diagrams that comparing the 50/200 yard zero and the 25/300 yard zero, and they show how many inches should be off target at various distances. I can't find the bookmark, otherwise I'd link to it.

Vtec44
04-24-2010, 10:17 PM
this is the chart I have for my M4 replica... but you get the idea...

http://i193.photobucket.com/albums/z122/Vtec44/Zombie%20Survival/Zerobulletpaths.jpg