After firing your first group, check the target. Try to avoid supporting the rifle with your muscles and use a stable object like a shooting bag instead.įrom a steady shooting position, fire three shots at the center of your target at 25 yards (or whatever range you are shooting at). Just like when zeroing any rifle, it is very important that you shoot using a very stable, supported position when zeroing your back up iron sights. Almost any target will work, as long as it has a distinct aiming point. Don’t worry too much about the type of target you use. This saves time, ammunition, and frustration in the long run by ensuring that my shots are at least on the paper. I like to shoot at 25 yards, then move out to longer ranges after I adjust my sights. You can use the tip of a bullet, a multi-tool, a nail, or a specially designed front sight adjustment tool to accomplish this.Īfter mechanically zeroing the back up iron sights, you’re ready to start shooting. To do this, depress the detent on the front side of the post and turn the post at the same time. If you are able to wiggle the sights with your hand, they are not secured properly.Īssuming that you have a standard front sight, adjust the base of the front sight post until it is level with the sight housing in order to mechanically zero it. 300 Blackout, etc.įirst, ensure that your back up iron sights are properly installed and mounted securely to the rifle. By the same token, these instructions remain the same regardless of the cartridge your AR-15 is chambered in. While they come in a wide variety of configurations, the basics of how to use them remain pretty much the same. Many of the “flat top” AR-15s on the market today come ready to accept a back up iron sight (BUIS) to use in case something happens to the optics on the rifle.
If you are looking for information on how to zero the scope on an AR-15, refer to this article instead. This article covers only how to zero the back up iron sights on an AR-15. Here is a step by step guide on how to zero the back up iron sights on an AR-15. However, though they are similar in many ways, the back up iron sights on an AR-15 are slightly different from iron sights on many other rifles.
Though many shooters these days use some sort of optic on their AR-15 as their primary sight, having a good set of back up iron sights is still a really good idea. Interested in finding out how to zero the back up iron sights on an AR-15? Keep reading for some step by step instructions.
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