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Posted: 3/28/2009 9:01:45 PM EDT
Guys,
So, this dude emailed me instructions for zeroing in my AR based on barrel length, front & rear sight etc.
Seemed pretty easy. later , I read somewhere that it is much preferable to zero @ 50 yards.

What is preferable esp to a range between 100-200 yards?
Is there a detailed info about zeroing @ 50 based on the setup?

My set up is :
16" barrel 1:7 twist/chrome
F marked front sight
rear sight is A3 6/3
Link Posted: 3/28/2009 9:33:45 PM EDT
From what I've learned, it's best to zero at 25 yards.
Link Posted: 3/28/2009 9:56:45 PM EDT
0 @ 25 will be on at 200 high at 100, 0 at 50 will be on at 100 , low at 200.
Link Posted: 3/28/2009 10:10:05 PM EDT
Originally Posted By fixit:
0 @ 25 will be on at 200 high at 100, 0 at 50 will be on at 100 , low at 200.


I thought 0 @ 25 would be on at about 300.
Link Posted: 3/28/2009 10:52:28 PM EDT
Originally Posted By BrianTheLion:
Originally Posted By fixit:
0 @ 25 will be on at 200 high at 100, 0 at 50 will be on at 100 , low at 200.


I thought 0 @ 25 would be on at about 300.


This is right. At 50 yds the second crossover is around 200-225 yds. From the muzzle to the second crossover the POA/ POI doesn't vary more than 4 inches.

Link Posted: 3/28/2009 10:56:40 PM EDT
25 meters for a 300 meter zero
50 yards for a 200 meter zero

yards and meters are in their appropriate places above.
Link Posted: 3/29/2009 12:06:24 AM EDT
Google "Improved BAttlesight Zero." This has you readjusting your rear sight and setting your zero at 50 yards. This is because most public ranges go to 300 yards or so.
Link Posted: 3/29/2009 5:30:56 AM EDT
I zero at 50 for a flatter trajectory at the distances at which I shoot.
Link Posted: 3/29/2009 9:15:24 AM EDT
Originally Posted By Hero:
I zero at 50 for a flatter trajectory at the distances at which I shoot.


What he said.
Link Posted: 3/29/2009 9:24:57 AM EDT
GOOD THREAD! I KNOW MUCH HAS BEEN WRITTEN BOUT THIS B-4 IF YOU WAS TO DO A SEARCH.....BUT THE SEARCH FUNCTION AINT WORTH A CRAP IN MOST INSTANCES FOR ME.THANKS FOR THE COMMENTS GUYS.
Link Posted: 3/29/2009 9:29:29 AM EDT


Link Posted: 3/29/2009 9:33:21 AM EDT
Link Posted: 3/29/2009 11:27:59 AM EDT
Thanks for the links & the input so far!
Link Posted: 3/29/2009 11:52:11 AM EDT
Originally Posted By BrianTheLion:
From what I've learned, it's best to zero at 25 yards.


Not really.





Link Posted: 3/29/2009 11:53:06 AM EDT
Originally Posted By fixit:
0 @ 25 will be on at 200 high at 100, 0 at 50 will be on at 100 , low at 200.


Nope.






Link Posted: 3/29/2009 12:02:38 PM EDT
Originally Posted By BrianTheLion:
Originally Posted By fixit:
0 @ 25 will be on at 200 high at 100, 0 at 50 will be on at 100 , low at 200.


I thought 0 @ 25 would be on at about 300.


Not even close.





Link Posted: 3/29/2009 12:24:52 PM EDT
Molon................. Thanks for the chart.
This is what i make out from it:
if you have Zeroed at 50, @ 200 y you will be almost zeroed as well.
For ranges between over 50 but under 200, the level of adjustments
that can be made to hit targets between those 2 ranges would be
much easier ? ( like aiming hi or low?)

Is there as way where one can adjust the rear sight only by certain #
of clicks to make adjustments for those ranges & then return back to
50 yards zero. Mine is a 6/3 rear sight aperture.

Thanks for your patience !

Link Posted: 3/29/2009 2:43:13 PM EDT
Originally Posted By Shabbargulla:
Molon................. Thanks for the chart.
This is what i make out from it:
if you have Zeroed at 50, @ 200 y you will be almost zeroed as well.
For ranges between over 50 but under 200, the level of adjustments
that can be made to hit targets between those 2 ranges would be
much easier ? ( like aiming hi or low?)

Is there as way where one can adjust the rear sight only by certain #
of clicks to make adjustments for those ranges & then return back to
50 yards zero. Mine is a 6/3 rear sight aperture.

Thanks for your patience !



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