Do you zero your A2 with the large or small aperture?

[ThemBastards]

I will be zeroing at 25 yards and then 50 yards tomorrow and am wondering which one I should use. I know the small aperture is for 200m and beyond but it seems to me like it would be more accurate. If you haven't guessed I am new to the platform.

Should I just stick with the large aperture? Am I over thinking it?

I don't ever intend on shooting past 200 m accurately


7.62x39 AR Carbine using cheap Wolf and Tula

The Googlez has taken me in circles...

Do any of you sight in this close with the small ap and then just mentally adjust with the larger ap?

[818gtiguy]

I do a 50yd zero with the small.

[Sunday]

This may help if not too late.http://www.ar15.com/content/page.html?id=659 use the small aperture. the large ap is for patrol ,fast close shooting more info http://www.ar15.com/forums/t_3_18/328143_.html

[Sunday]

I do a 50yd zero with the small.

this is the best overall and to start with 25m zero shoots too high .

[Maddog5150]

You should always use the small ap. The larger one is for NBC (mask)

[Dreaded Claymore]

Yeah, use the small aperture when zeroing. In my opinion, you probably won't ever need the large aperture anyway, but it's there if you want it, and it'll be adjusted for shorter range when you do.

[NapaCountyShooter]

My wife likes the large aperture but I tell her good things come in small packages.

[ThemBastards]

Thanks guys, used the small

[SuperSet]

You are shooting 7.63x39 from a 16" AR barrel, which will have a different trajectory than a 5.56mm AR. The 'best' zero distance is 35yds, which will have a far zero of 190yds, with shots landing within 2.6" out to 250yds.

[ThemBastards]

You are shooting 7.63x39 from a 16" AR barrel, which will have a different trajectory than a 5.56mm AR. The 'best' zero distance is 35yds, which will have a far zero of 190yds, with shots landing within 2.6" out to 250yds.

Bless your heart. I ran some numbers out of the Hornady calculator that showed the 50 yards zero was pretty good- 0 at 50 and like .7" at 100 yards I think. I may have done it wrong though...

[SuperSet]

The numbers I have were assuming Monarch 123g steel case with BC .257 going 2340fps out of a 16" barrel. I haven't shot an AR 7.62 in a long time (hard to find good quality magazines) so there may be more updated data.

[ThemBastards]

The numbers I have were assuming Monarch 123g steel case with BC .257 going 2340fps out of a 16" barrel. I haven't shot an AR 7.62 in a long time (hard to find good quality magazines) so there may be more updated data.

That's what you find when you search for reviews on 7.62x39 AR uppers- bad magazines.. The C Products/ASC mags that I use have worked perfectly for me so far.

[McTerry]

Small Aperture in answer to the question...

"I don't ever intend on shooting past 200 m accurately"

Neither did I, until I fired off a couple rounds at a target barrel at 300 yards and hit it without really trying. Now it is a game to see who can shoot accurately the furthest with irons when we hit the range.

[Mail Clerk]

I always use the small aperature myself cuz as you said it's more accurate. I usually zero out to 50 yards using a standard 5" black target and a red/orange center of about 3" for my eyes. After that I leave it alone.

Mail Clerk

[SURVIVOR619]

I've always understood the large aperture was for low light/night type situations..