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Posted: 10/20/2004 7:32:32 PM EST
Well just as backround, ive never shot anything but shotguns at the skeet and trap so i dont have any expirience with zeroing rifles or anything. Ive searched around and with the rifle ill be getting in 4-6 weeks ( a CAR A4 RRA 16in flat top) what is the best way to zero in your sights?

Its going to be a flat top with a ARMS 40l. Seems like the general consensus is that that i should zero it at 50 yds and then it should be zeroed at 200yd since its on the same trajectory?
Like i stated im a novice so im not that accustomed to some of the jargon or whatnot so if youd explain it in detail like im a 6 year old id appreciate it. Educate me!
Link Posted: 10/20/2004 7:42:02 PM EST
Zero at 50 yrds....Point of aim should be point of impact for your groups. The bullet's trajectory intersects the line of sight of your sights at 50 and 200 yrds.......

The bullet is travelling upwards at 50 yards and is on its way back down at 200.
Link Posted: 10/20/2004 7:54:11 PM EST
I thought it was 300?
Link Posted: 10/21/2004 9:54:08 AM EST
anyone with any clarification or other input?
Link Posted: 10/21/2004 9:58:27 AM EST
Zero at 25 meters puts it around 300 meters.
Link Posted: 10/21/2004 10:56:15 AM EST

Originally Posted By mlm1219:
Zero at 25 meters puts it around 300 meters.


Zero at 36yds puts it for a second zero at 300m.
Link Posted: 10/21/2004 11:02:10 AM EST

Originally Posted By Southern_Raider:

Originally Posted By mlm1219:
Zero at 25 meters puts it around 300 meters.


Zero at 36yds puts it for a second zero at 300m.


Correct - a 25M zero gives you a 375M far zero with M193.

Best Resource on the Web for Zeroing the AR-15 (if I do say so myself) is at The Maryland AR-15 Shooters Site. All kinds of information on zeroing and charts of the trajectories for the various zeros.
Link Posted: 10/21/2004 11:13:33 AM EST
ive looke dat that site....but im not sure which article best pertains to my application. And to be real....im not 100% up to date with the terms/jargon on the page. So which is best? zero at 50yd to have a zero at 200 or di it at 25m to zero at 300m?
Link Posted: 10/21/2004 12:06:47 PM EST

Originally Posted By MordecaiPSI:
ive looke dat that site....but im not sure which article best pertains to my application. And to be real....im not 100% up to date with the terms/jargon on the page. So which is best? zero at 50yd to have a zero at 200 or di it at 25m to zero at 300m?



Well since a 25M WON'T get you at 300M zero that one is out.

Personally I find the 50y zero to be the best (and there is a note in the IBSZ how it also works well with A1 sights and BUIS - to include the #40).

The 50y zero gives a very flat trajectory +/-2.5" from muzzle to 225M, and you can still hit standard Army targets to 300m with a COM hold. a trajectory +/-2.5" means you can consistantly hit beer cans with center-of-mass holds on them at just about any range you can see one.
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