Choosing the Right MOA for your Red Dot Sight

03/2024
Author: Eric
Mar 29, 2024
???? 3 mins
Red Dot Sight

If you’re in the market for a new red dot optic, you may be overwhelmed by the variety of products currently available.

Don’t be intimidated. Buying a new piece of shooting equipment should be fun, and with a little information, you will be able to make an informed purchase.

A picture of moa view with USA Gun Store

What is MOA?

MOA stands for Minute of Angle. Minute of Angle is a system that measures accuracy. 1 MOA is equal to 1 inch at 100 yards. So, if you have a 3 MOA optic, it is accurate to within 3 inches at 100 yards.

100 yards is the standard by which MOA is calculated. If you double the distance, you will need to double the MOA as well. So a 3 MOA optic at 200 yards is accurate to within 6 inches, and so on.

Rifle Accuracy

When making distance calculations, it’s important to know the MOA of not only your optic, but your rifle as well. You should also understand that rifle accuracy and user ability play a much larger role in overall accuracy than the optic.

For example, a Remington Model 700 will have much better accuracy at 300 yards than an AK-47. A high-quality hunting rifle will be 1 MOA. You can also buy extremely expensive, custom sniper rifles that can achieve ½ MOA. Most AR-15 type rifles are accurate to 3 MOA.

A picture of red dot vector optics with USA Gun Store

Why a Red Dot?

Red dot optics are most commonly used on battle rifles. The reason you see red dot optics on battle rifles like AR-15s is because they are so versatile. Red dot optics allow you to more accurately engage distant targets while also quickly transition to close targets.

It’s important to understand that most red dot optics are not magnified. That means that they do not enlarge the image you see. Red dot optics are meant to be fired with both eyes open. This allows you to engage targets while still scanning for additional threats, something very important to police and military users.

Choosing Your Red Dot

When deciding on the MOA of your red dot optic, remember that the lower the MOA, the smaller the dot will be and the harder it will be to see. The larger the MOA, the brighter and larger the dot will be.

For most users, a 3 MOA red dot is more than accurate enough for most uses. This allows you to get within 3-inch accuracy at 100 yards. Most battle rifles like AR-15s, SCARs, or AK-47s won’t get better accuracy than that, even with a better optic.

Another option to consider is the ring-type reticle that EOTech uses. These have a 68 MOA ring with a 3 MOA dot in the center. The dot is used to engage distant targets, while the ring is used to quickly transition to closer targets.

Whether your goal is better accuracy or faster target acquisition, you can’t go wrong with a red dot optic.

 

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