10 Best Red Dot Sights 2021

There are many different options for sights on the market today. You can get new reflective sights to replace the old iron sights on your firearm, which will help make acquiring a sight picture easier but will still take a while to aim. You could opt in for traditional optics, which help you to see a far-away target but reduce your ability to make close up shots or you could get a red dot sight, and get the best of both worlds.

When your firearm is equipped with the best red dot sight on the market, aiming and making a quick, accurate shot is ever so simple. Once you have sighted in your weapon, simply put the red dot on the target, and fire away; this makes this type of sight ideal for a number of applications, ranging from paintball to hunting to self-defense.

However, like we said, there are so many options out there to choose from. How do you know which is the best one for your needs?

We have compiled and tested a list of the top ten red dot sights available. We have also provided a concise reviews of the top five to help you decide which to purchase.

Top 10 Red Dot Sights Table

PictureNameBattery IncludedPriceRating (1-5)
Battery Included
Rating (1-5)
1. Primary Arms Micro Red Dot Sight w/ Removable Base - 2 MOA Dot MD-RBGIIYes$4.5
2. Ozark Armament Rhino Tactical Green & Red Dot Sight for Rifles & Shotguns Yes$$$4.4
3. GERO Tactical Green and Red Dot Sight - 4 Reticles Reflex Sight with Built-in Weaver-Picatinny Rail MountYes$4.4
4. Dagger Defense DDHB Red Dot Reflex sight, Reflex sight optic and substitute for holographic red dot sightsYes$$$$4.3
5. FieldSport Micro Red Dot Sight, Precision Red Dot Only No Green Yes$$4.3
6. Bushnell Trophy TRS-25 Red Dot Sight Riflescope, 1 x 25mm Yes$$$$4.3
7. UTG 3.8" ITA Red/Green CQB Dot Sight with Integral Mount Yes$$4.2
8. Gohiking Vokul Tactical 4 Reticle Red Dot Open Reflex Sight Weaver-Picatinny Rail Mount Yes$$4.1
9. Field Sport Red and Green Micro Dot SightYes$$4.0
10. Field Sport Red and Green Reflex Sight with 4 Reticles Yes$$3.9

Buying Information

Whenever you purchase something new, there are a few variables that you need to consider. This is especially true when you are looking for the best red dot sight since there are so many on the market today.

  • Battery Life. Some of the sights require one battery, while others operate with two. You want to make sure that you are getting a sight that will not drain the battery too quickly because if the battery is drained, you cannot use the scope. Luckily, all of the sights we tested used lithium ion batteries, which will last a long time. It is probably a good idea to have a few extras on hand, however, just in case.
  • Ease of Sight Acquisition. The entire point of a red dot sight is to be able to get a sight picture quickly to allow you to make a quick and accurate shot. You should always look for a scope that allows you to see your target without any visual interference present.
  • Reticle Options. Depending on the sight option that you pick, you may be able to change the reticle to better fit your preference. These options range from basic dots to a variety of different crosshairs.
  • Weight. As with any new equipment, you want to take into account the weight. While these sights are relatively small, you don’t want one that is going to weigh you down.

Top 5 Best Red Dot Sight Reviews

1. Primary Arms Micro Red Dot Sight

Out of all our tests, we found that this is the best red dot sight available currently available. It is well constructed and built to last. The battery will last for around 1000 hours, which is a good long time. This time can be extended or shortened based on which one of the twelve brightness settings that you choose to operate on. To change the brightness of the dot, all you have to do is simply twist the knob on the side until you reach your desired setting.

Since the sight does not have any magnification, using it to quickly acquire a sight picture was very easy. We found it to be easy to sight in, as well. Once we had it zeroed in, it also stayed sighted in even after a high volume of shots were fired. We found it to be extremely accurate up to 70 yards, which is a good distance with no magnification; this would be an ideal sight for someone who is used to using old iron sights.

Summary: This sight is built to last! It boasts an impressive battery life to go along with twelve brightness settings. It allows for quick target acquisition and stayed accurate even after a lot of use.

2. Ozark Armament Rhino Tactical Green & Red Dot

This sight is a cheaper option for someone that plans to put their sight and firearm through rigorous use. It is built to last, even though it is much cheaper than some of the other sights we tested. It is also a bit more basic than some other sights on the market.

It allows users to select between red or green illuminated dots. Depending on the types of light conditions present, this is a big plus. It only offers five different illumination settings, which doesn’t allow for as much customization for brightness as our number one pick.

It is also not as accurate out to 70 yards as other sights that we tested. While it performed admirably, it shot four MOA groups at 70 yards, while other sights shot two MOA groups at the same distance.

Summary: This one provides users with a no-frills red or green dot sight. It only has five brightness settings, and is not as accurate some other sights we tested, but it is built with durability and longevity in mind.

3. GERO Tactical Green and Red Sight

The GERO allow users to select from eight different reticles to better suit their preferences; this makes it ideal for a variety of uses, from rifles to paintball guns. It is also built to give you an extremely quick sight picture since you look through a screen instead of through a scope.

However, one of the biggest drawbacks that we found during our testing was that this sight would need to be re-zeroed more than our top two picks. We found that after fifty shots or so, our groups would start to spread ever so slightly. However, if you are looking for a cheap red dot sight that you will only use on occasion and do not mind re-zeroing, this is a good buy.

Summary: This sight offers more than just a red dot. You can select from eight different reticle options, which is great for someone with specific preferences. While this sight is relatively cheap, it will need to be re-zeroed often, which might not make it right for someone who wants to use it heavily.

4. Dagger Defense DDHB Red Dot Reflex sight

The Dagger Defense sight is a really solid option for anyone looking for a reliable red dot sight. It offers four different reticle options, which makes it more customizable than some other sights that we tested.

While it is a bit more expensive, we found that it held its zero really well, even after a high volume of shots. The only issue that we had with the sight was making sure that it was mounted properly. If it was not on just right, the sight image seemed to blur a bit, which would not make for accurate or easy use.

Summary: We feel that this is really solid option for someone looking for several different reticles. While it was accurate once installed just right, it was a bit harder to install, which made the reticles split.

5. FieldSport Micro Red Dot Sight

For someone who is looking for the absolute bare minimum in a red dot sight, the FieldSport is for them. It features only a red dot with no other reticle or color options. It is relatively cheap and built solidly.

We found that it was accurate up to 50 yards, which is a bit less than some of the other sights we tested. However, it was solidly accurate at that range, and did not lose its zero. It is also a really bright sight, with ten different brightness settings.

Summary: The FieldSport is perfect for someone who is looking for a no frills red dot sight. It is cheap, has lots of brightness settings, and was accurate up to 50 yards.

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