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Posted: 2/13/2013 7:35:59 AM EDT
[Last Edit: 2/13/2013 7:44:10 AM EDT by jukeboxx13]
Right now my AR 15 is zeroed 25 yards, but looking to run a 50 when I get the chance to hit an outdoor range. I would also like to try a 300 meter zero, but don't know much about it yet.
Link Posted: 2/13/2013 7:37:29 AM EDT
I keep all my 14.5 or 16 inch guns zeroed at 100m. SBR's are zero'd at 50m
Link Posted: 2/13/2013 7:38:20 AM EDT

Originally Posted By Mikhail_86:
I keep all my 14.5 or 16 inch guns zeroed at 100m. SBR's are zero'd at 50m

Have you tried a 300?
Link Posted: 2/13/2013 7:38:23 AM EDT
BZ at 45 yards, so far.... Need to move an AR500 plate out to 250 (soon)
Link Posted: 2/13/2013 7:38:47 AM EDT
everything at 200 here.
Link Posted: 2/13/2013 7:39:15 AM EDT
[Last Edit: 2/13/2013 7:39:35 AM EDT by TheRX7Project]
I've got my AR and my .22 zeroed at 50 (50-200 zero for the AR) and my .308 at 100yd.

Not sure where I'm going to zero the GSG522 at yet, probably 50yd.
Link Posted: 2/13/2013 7:39:20 AM EDT
50 yards.

Lets me shoot 25/50/100 with little math. All I am capable of hitting well.
Link Posted: 2/13/2013 7:39:28 AM EDT
I zero everything at 100. Easy math under stress if I ever have to adjust POA
Link Posted: 2/13/2013 7:40:04 AM EDT
100m
Link Posted: 2/13/2013 7:40:06 AM EDT

Originally Posted By jukeboxx13:
Right now my AR 15 is zeroed 25 yards, but looking to run a 50 when I get the chance to hit an outdoor range. I would also like to try a 300 meter zero, but don't know much about it yet.

300 meter zero is almost the same as a 25m zero, I believe.
Link Posted: 2/13/2013 7:40:33 AM EDT

Originally Posted By TheLion:
I zero everything at 100. Easy math under stress if I ever have to adjust POA

Do you just hold high or low when adjusting from 25-300?
Link Posted: 2/13/2013 7:40:35 AM EDT
"Fify"
Link Posted: 2/13/2013 7:40:51 AM EDT
Originally Posted By TheLion:
I zero everything at 100. Easy math under stress if I ever have to adjust POA


ACOG keeps mine pretty good at 100
Link Posted: 2/13/2013 7:41:06 AM EDT

Originally Posted By Torf:

Originally Posted By jukeboxx13:
Right now my AR 15 is zeroed 25 yards, but looking to run a 50 when I get the chance to hit an outdoor range. I would also like to try a 300 meter zero, but don't know much about it yet.

300 meter zero is almost the same as a 25m zero, I believe.

Really I read it's close to like 36 yards or what not?
Link Posted: 2/13/2013 7:41:24 AM EDT
A zero at 25m will be a zero at 300m...
Link Posted: 2/13/2013 7:41:27 AM EDT
200m.
Link Posted: 2/13/2013 7:41:33 AM EDT

Originally Posted By jukeboxx13:

Originally Posted By Mikhail_86:
I keep all my 14.5 or 16 inch guns zeroed at 100m. SBR's are zero'd at 50m

Have you tried a 300?

Yes. I used the 33/300 zero on my ACOG because thats what I was use to zeroing in the Marines. but I dont have access to a range past about 200 right now so I re-zeroed
Link Posted: 2/13/2013 7:41:57 AM EDT
[Last Edit: 2/13/2013 7:42:37 AM EDT by dcs12345]
50 on irons and aimpoint
Link Posted: 2/13/2013 7:42:00 AM EDT

Originally Posted By PWCDrywall:
A zero at 25m will be a zero at 300m...

What is up with the 36 yard then confirm at 300 I read about?
Link Posted: 2/13/2013 7:42:03 AM EDT

Originally Posted By jukeboxx13:

Originally Posted By Torf:

Originally Posted By jukeboxx13:
Right now my AR 15 is zeroed 25 yards, but looking to run a 50 when I get the chance to hit an outdoor range. I would also like to try a 300 meter zero, but don't know much about it yet.

300 meter zero is almost the same as a 25m zero, I believe.

Really I read it's close to like 36 yards or what not?

its either 33 or 36
Link Posted: 2/13/2013 7:42:47 AM EDT
Depends on the gun.

Link Posted: 2/13/2013 7:43:20 AM EDT
Everything I have is at 100. I shoot a little further to know where I will hit but I don't usually shoot past 100 where I live.

My hunting rifles are the same, 100. Where I hunt you don't shoot much past that anyways. 150-200 would be max.
Link Posted: 2/13/2013 7:43:29 AM EDT

Originally Posted By Mikhail_86:

Originally Posted By jukeboxx13:

Originally Posted By Mikhail_86:
I keep all my 14.5 or 16 inch guns zeroed at 100m. SBR's are zero'd at 50m

Have you tried a 300?

Yes. I used the 33/300 zero on my ACOG because thats what I was use to zeroing in the Marines. but I dont have access to a range past about 200 right now so I re-zeroed

Ya the 700 yards range is an hour away from me.

How did you like the 300 zero?
Link Posted: 2/13/2013 7:43:55 AM EDT
Depends on which one.
Link Posted: 2/13/2013 7:44:35 AM EDT

Originally Posted By AudiDat:
Depends on the gun.


Yea my bad I put AR 15 in the title now.
Link Posted: 2/13/2013 7:45:06 AM EDT
100 yds

That's what my Trijicon optics are set for. The top of the caret is spot on at 100. Middle of the caret, according to Trijicon, should be spot on at 200. Bottom of the caret is 300. Hash marks below the caret are set for 400, 500, and 600 (not that I've tried and verified this).
Link Posted: 2/13/2013 7:45:11 AM EDT
100 with the 3-9x40.
Link Posted: 2/13/2013 7:47:22 AM EDT

Originally Posted By TLeath:
100 yds

That's what my Trijicon optics are set for. The top of the caret is spot on at 100. Middle of the caret, according to Trijicon, should be spot on at 200. Bottom of the caret is 300. Hash marks below the caret are set for 400, 500, and 600 (not that I've tried and verified this).

Aww I see now with a 100 yard zero you just keep holding high from 25-600.
Link Posted: 2/13/2013 7:48:00 AM EDT
200 yards. No option for it though?
Link Posted: 2/13/2013 7:48:46 AM EDT
100 on rifles
50 on SBR
Link Posted: 2/13/2013 7:49:27 AM EDT
[Last Edit: 2/13/2013 7:54:03 AM EDT by CONKLE73]
36 yd / 300 yd works best for me and the USMC

http://www.biggerhammer.net/manuals/mcrp3-1a/3-01-1/ch6c.pdf


Link Posted: 2/13/2013 7:50:22 AM EDT
[Last Edit: 2/13/2013 8:04:55 AM EDT by brasidas]
I have found that a 40 yard zero works best for a variety of bullets. The bullet is a maximum of 3-4" above the LOS at 150-175 yards. Zero any closer than 40 and you can have problems with the bullet being too high above the LOS at moderate ranges, but if you set yours first zero much farther away than 40 yards you really lose the advantage of the 223's flat trajectory at longer ranges.
Link Posted: 2/13/2013 7:50:36 AM EDT

Originally Posted By jukeboxx13:

Originally Posted By Mikhail_86:

Originally Posted By jukeboxx13:

Originally Posted By Mikhail_86:
I keep all my 14.5 or 16 inch guns zeroed at 100m. SBR's are zero'd at 50m

Have you tried a 300?

Yes. I used the 33/300 zero on my ACOG because thats what I was use to zeroing in the Marines. but I dont have access to a range past about 200 right now so I re-zeroed

Ya the 700 yards range is an hour away from me.

How did you like the 300 zero?

Hit everything I aimed at. Worked well
Link Posted: 2/13/2013 7:51:09 AM EDT
Which one?
Link Posted: 2/13/2013 7:51:42 AM EDT
I zero mine at 50
Link Posted: 2/13/2013 7:53:26 AM EDT
I've been doing a 100. Easy for me to picture the ballistics and run calcs in my head with a moa reticle and moa adjustments.
Link Posted: 2/13/2013 7:53:39 AM EDT
I prefer the 300 yard zero. Keeps solid hits from point blank on out to about 400 yards. I've always liked the 300 yard zero and that Travis Haley video reinforced the concept of why.
Link Posted: 2/13/2013 7:54:24 AM EDT
I used to be a big advocate of the 50 yd zero. Changed to 100 yd zero at a Vickers carbine class. Loved it and kept it due to the very simple "always hold high" nature of it. Zero my new carbines at 100 yds. If I were to make a habit of shooting longer range, would consider a 25yd or 300yd zero.

Travis Haley did a nice video on zeros and how they group at different distances:


Link Posted: 2/13/2013 7:55:23 AM EDT
Aimpoints and backup fixed iron sights get zero'd at 50/200 (50 and 200 have same POI)

A2 milspec sights get zero'd at 200 using 0-200 aperture. Flipping to small aperture changes zero to 300.
Link Posted: 2/13/2013 7:56:12 AM EDT
Originally Posted By V-Match:
everything at 200 here.


Yep, 200m zero is best in my opinion
Link Posted: 2/13/2013 7:56:49 AM EDT
100m (20 in FN)
Link Posted: 2/13/2013 7:56:58 AM EDT
30/300
Link Posted: 2/13/2013 7:57:58 AM EDT
[Last Edit: 2/13/2013 8:23:42 AM EDT by ShiftSix]
Originally Posted By V-Match:
everything at 200 here.


^This for the 5.56

Edit: though after watching Travis's video, im interested in trying the 36/300 zero.
Link Posted: 2/13/2013 8:00:59 AM EDT
Irons 25 / 250 per my training

Aimpoint 50

ACOG 100
Link Posted: 2/13/2013 8:01:55 AM EDT
Old skewl IBZ.
Link Posted: 2/13/2013 8:02:02 AM EDT
[Last Edit: 2/13/2013 8:04:55 AM EDT by TheLion]
Originally Posted By jukeboxx13:

Originally Posted By TheLion:
I zero everything at 100. Easy math under stress if I ever have to adjust POA

Do you just hold high or low when adjusting from 25-300?


Not sure if you are serious or being sarcastic. The reason a 25-300 works is that at 25 the bullet is going up and at 300 the bullet is coming down (__--25--````--300--__). It doesn't go in a laser straight line. Gravity and all.



At 25 I would hit high if I didn't adjust POA and at 300 I would hit low if I didn't adjust POA

Edit: Look a few posts up, someone posted a picture that is better than my text example
Link Posted: 2/13/2013 8:02:46 AM EDT
50yd
Link Posted: 2/13/2013 8:02:58 AM EDT
Originally Posted By dcs12345:
50 on irons and aimpoint


Same.
Link Posted: 2/13/2013 8:03:59 AM EDT
100yds
Link Posted: 2/13/2013 8:04:15 AM EDT
For ACOGs zero at 36m and confirm at 100m.

25m is not the same as 300m zero...that's why the M16 series had the 8/3 and the 8/3 +1 setting on the rear sight.

I cannot confirm this but it's my understanding that it was supposed to be zeroed at 36m but the Army didn't want to rebuild all their zero ranges which were established at 25m for the M14. An AWG guy told me that but I don't know if it's an urban legend or not.

Lots of theories. I would say zero at the distance that seems best for your situation. As long as you understand why it's zeroed and how to adjust then you're fine. Just don't follow some guideline without understanding what it means.

I think the 200m zero gives you the best of most worlds...little variation.
Link Posted: 2/13/2013 8:05:11 AM EDT
Originally Posted By PWCDrywall:
A zero at 25m will be a zero at 300m...


This.
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