Best Red Dot Sight 2021 Reviews – Our Top 10 Picks

A red dot sight is an excellent piece of equipment which allows you to acquire your target quickly. In close combat shooting applications, nothing can beat the red dot sight. It enables you to shoot the target down within the lowest possible time accurately. The advantage of the red dot over the traditional magnifying scope is it comes in a smaller size and lightweight construction. As a result, it won’t affect the recoil of the rifle during rapid shooting. They are also compatible with different types of firearms.

The market of the red dot sight is enormous. There are thousands of models available from different manufacturers. With such wide varieties of choices available, it becomes a little bit hard for the beginner to choose the suitable one. If you are searching for a red dot sight, then keep reading the piece of writing. Today we let you know about some of the best red dot sight available in the market currently.


What is a Red Dot Sight, How Does It Work?

A red dot is a non-magnifying reflector sight for firearms. It is used for aiming correctly on the target. The red dot includes an illuminated dot which works as an Aimpoint. Usually, the red dots are much more accessible and flexible when compared to the traditional rifle scopes. They perform very well for close-range shooting application such as target practicing, competitive shooting, hunting, and much more. The red dot is also used on camera and telescopes apart from the firearms.

A red dot is a simple tool, but it has a pretty sophisticated operation. The red dot includes a spherical mirror as well as an LED inside it. The LED produces light, and the spherical optic reflects the emitted light. The spherical optic comes with a specialized coating which only emits the red or the green light. The red or green light on the products is the reticle or the Aimpoint of the sight.

Best Red Dot Sights for Pistol and Shotgun in 2021

The higher the price is, the better the product will – It’s a common misconception about the red dot sight. But it is not true at all. According to our research, most of the dot sights with high price tag come with almost has almost the same configuration as like as the mid or low budget sights. If you are searching for a decent red dot sight, then you can pick one from the below list. They have been chosen based on our in-depth research by considering all the essential aspects of the scope.

Sig Sauer Romeo5 1x20mm Red Dot Sight Review

The Sig Sauer is a popular USA based hand-gun and gun accessories, manufacturer. SOR52001 Romeo5 1x20mm Compact 2 Moa Red Dot Sight is the best-seller red dot sight of the current time. It is equipped with the best quality components to provide you an excellent performance. The most impressive thing about the red dot is it includes ten illumination settings. Such wide variants of illumination settings mean you can easily optimize the brightness level according to your shooting condition.

The ROMEO 5 Red Dot Sight includes a unique feature known as MOTAC (Motion activated illumination). The feature will automatically shut down the system the dot is not in use. It can also instantly activate the system as soon as it senses an action. The fantastic features will significantly extend the battery life of the product for long-term use. As the manufacturer claim, you can get an enhanced 40,000+ hours of battery life due to the MOTAC feature.

This Red Dot Sight is also equipped with a powerful and high-quality lens. It also has a highly-efficient and anti-reflection lens coating which reduce the surface reflections for an optimum light-transmission. The overall construction of the riflescope is also reliable with powerful water-resistant and fog-resistant properties. With the help of the Integrated M1913 Picatinny interface, you will get an industry standard mounting option for a wide variety of application.

With the highly-efficient and powerful features, the Sig Sauer SOR52001 Romeo5 can be an excellent companion of your firearms. If quality is your first preference and you are ready to extend the budget a little bit, then the Sig Sauer SOR52001 Romeo5 will be an absolute no brainer for you.

Key Features:

  • 2 MOA Red-Dot with ten illumination settings.
  • Motion Activated Illumination for extending the battery life.
  • Proper quality assurance with “Made in USA” tag.
  • Reliable waterproof and fog-proof properties.
  • Properly coated lens for optimum light transmission.

Ohuhu Red Dot and 4 Reticles Red Green Dot Gun Sight

The Ohuhu Red Dot Sight, 4 Reticles Red Green Dot Gun Sight Scope Reflex Sightsisone is one the best-selling item in our list. It has been sold for thousands of time because of its reliable performance. The red dot has dual illumination, including the red dot and green dot. You can choose the preferred one depending on the shooting environment. It comes with a tubeless design with 33mm reflex lens aperture, which provides a broad field view. This design is perfect for rapid-firing on a moving target along with regular shooting.

The Ohuhu Red Dot Sight, 4 Reticles Red Green Dot Gun Sight Scope Reflex Sights include four patterns of multi-reticle/variable dot. The reticles include a crosshair, a dot, and circle along with stadia at four corners. The reticle patterns offer you enormous eye relief and parallax correction. They are also available for both the green and red dot. It also includes a built-in mount which works a wide variant of the rifles.

The Ohuhu Red Dot Sight, 4 Reticles Red Green Dot Gun Sight Scope Reflex Sights has waterproof and fog proof properties to perform at any weather condition. It is also very lightweight so that you can comfortably move with the firearm when it is attached.

Key Features:

  • Tubeless to provide a wide field of view.
  • Include different dot pattern for different shooting environment.
  • A built-in base which suits most of the firearms.
  • Unlimited eye-relief and parallax correction.
  • Waterproof, shockproof, and ultralight properties.

Dagger Defense DDHB Red Dot Reflex Sight

Searching for a budget AR15 red dot sight? Then Dagger Defense DDHB Red Dot Reflex Sight can be an excellent choice for you. Though available at a low cost, the product is very well-designed and includes all the required features to give you an efficient performance. It also has multiple adjustment features which can help you to make every shot count.

As we say, the Dagger Defense DDHB Red Dot Reflex Sight offers you windage and elevation adjustment. The product includes a hex wrench which you can use to adjust the elevation as you prefer. One thing you need to remember while using the feature is the elevation is for target adjustment; it will not move the reticle. The same thing is applicable for the windage adjustment. You can move the hex key to adjust the elevation and windage to move the target left or right. It will not affect the reticle.

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There is also a rotary dial fade adjustment which allows you to choose the brightness intensity. It can also be used for radical color selection (green or red). The product also allows you to adjust the zero. You can adjust it with the included hex key.

One thing impressed as is the build quality of the Dagger Defense DDHB Red Dot Reflex Sight. It comes with aircraft grade aluminum construction. As a result, the red dot sight can provide you a long-term performance without any damage.  It comes in an ergonomic design which saves space on the rail for other accessories. Overall, it is an excellent product at a low price.

Key Features:

  • Sturdy aircraft grade aluminum construction.
  • Include both red and green dot sight.
  • Include locking screw to stabilize the sight adjustments.
  • Four position reticles for different condition.
  • Windage and elevation adjustment for accurate shooting.
  • Fade adjustment feature to adjust the brightness level.

Burris FastFire Red-Dot Reflex Sight

The Burris FastFire is a series of red dot sight which comes in a properly optimized and lightweight construction. It is an adjustable sight which you can use with a lot of firearms. Apart from attaching it on the rail of the rifles; you can also install it in the optic-ready pistols.  It can provide you a bright and decent target view on a short distance. The sight can be a perfect choice for home defense as well as competitive shooting.

The most impressive thing about the Burris FastFire Red-Dot Reflex Sight with Picatinny Mount is it is adequately bright and allows you to acquire the target quickly. It also has an automatic brightness adjusting feature. The feature adjusts the brightness according to the shooting condition. There are also three manual brightness settings. Another impressive thing is, it offers you unlimited eye relief. As a result, shooting becomes much comfortable and flexible with the red dot.

Due to the compact size and lightweight properties of the red dot sight, you will get a decent performance every time you use. The dot will not affect the stability of the firearm. Moreover, it can withstand recoil as it is shockproof, which is very important for shooting competitions. It also includes a powerful battery to provide you 5000 hours of extended battery life.

The Burris FastFire Red-Dot Reflex Sight comes in a sturdy construction so to give you hassle-free performance for a long time.  It is waterproof which you can use it in the wet and rainy weathers.  Moreover, it includes high-grade optical glass, which ensures durability and proper performance for a long time.

Key Features:

  • Automatic brightness adjustment based on the shooting environment.
  • Lightweight and compact size for better stability.
  • It can be mount on any firearms including rifle, pistol, handguns, shotguns, etc.
  • High-grade optical glass for better brightness and durability.
  • Windage and elevation adjustment for accurate shooting.

CVLIFE 1X22X33 Red Green Dot Gun Sight Scope

The CVLIFE 1X22X33 Red Green Dot Gun Sight Scope is an affordable red dot sight which has been sold for more than thousands of time. It is a properly designed sight which comes with both a green and red dot. It has an aluminum alloy construction with a hard anodized matte black finish.  Besides, the lens of the scope includes an anti-glare reflective coating for better clarity. Such construction ensures you a vibrant performance along with better durability.

The CVLIFE 1X22X33 Red Green Dot Gun Sight Scope comes with different reticle options for optimum versatility. They offer you circle dot, cross, 3 MOA, and 10 MOA. The reticles are available for both green and red dot sight. You can choose any options depending on your shooting application and preferences. You can easily and quickly select the reticle type with the knob. The sight comes in tubeless construction which provides you a wide field view. Such properties make the sight one of the best red dot sight for shooting moving targets.

With the anti-glare reflective coating, the red dot offers you an optimum level of brightness to acquire your target easily. It also includes windage and elevation adjustments so that you can make accurate shots every time. You will receive an Allen wrench with the product to make every adjustment precisely.

Key Features:

  • Four reticle choices, including circle dot, cross, 3 MOA, and 10 MOA.
  • Constructed with high-grade aluminum for proper durability.
  • Anti-glare reflective coating on the lens for better brightness.
  • Tubeless design to offer you a wide field view.
  • Included Allen wrench to make the adjustments properly.

Sightmark SM26008 Ultra Shot Plus Red Dot Sights

The Sightmark SM26008 Red Dot Sights is an upgraded version of a previous red dot from the manufacturer. It comes with a lot of improvement and enhancement as the user requested. It has a cast aluminum alloy housing with a protective shield. Besides, it is shockproof up to .50cal and IPX4 water resistant (weatherproof). As a result, you will get a reliable performance from the red dot for an extended period.

The Sightmark Ultra Shot Plus Red Dot Sight includes both red and green dot. It has an electronic button which allows you to adjust the brightness up to different level according to the shooting condition. It also makes the device flexible for different shooting application. It provides you an unlimited eye relief for much comfortable shooting. It also offers you an extensive field view to shoot the target much efficiently. The dot comes with corrected parallax, which ensures you can easily and quickly acquire your target. Such properties make the dot sight a perfect choice for close range and fast moving targets.

The Sightmark Sights come with a standard camera battery. The battery can perform up to 2000 hours of continuous use. It includes a quick-detach mount which allows you to remove the dot easily as required.

This Red Dot Sights is designed with a view of the highly expensive MIL-SPEC dots available in the market. However, the red dot is available at an exceptionally economical rate with all these excellent features.


  • Cast aluminum alloy housing with protective shield for higher durability.
  • Include both Red and green reticle illumination.
  • Low battery power consumption
  • Adjustable quick detach weaver mount for easier detaching.
  • It is equipped with digital switches for more natural control.
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Bushnell Red Dot Sight

The Bushnell is a popular name to the shooter and hunter because of their high-quality and precise products. The Bushnell Red Dot Sight is a masterpiece red dot sight from the manufacturer. One thing you will notice about the product is it is different from the other Red dot sights available in the market. Though a red dot, it more looks like a scope in structure. The red dot comes with waterproof and shockproof construction for long-term use. It has O-ring sealed optics which stay dry inside even when immersed in water entirely. As it is shockproof, it will withstand any bumps, bangs, and drops without breaking. Besides, the inside of the dot is nitrogen purged to ensure to resist against humidity and rapid temperature change. Such properties make the red dot one of the best choices for heavy-duty uses.

The Bushnell Sight comes with 11 different brightness settings. It means you will be able to choose the perfect brightness level according to your shooting environment. Moreover, it has an easy-to-adjust knob to adjust the brightness quickly in any situations. It includes a multi-coated lens which ensures the proper light transmission to show you the bright and vivid view of the target.

The Bushnell Red Dot Sight is one of the most versatile red dots available in the market. The easy to mount red dot can work with almost any Picatinny rails. It is compatible with shotguns, pistols, rifles, muzzleloaders, and much more. Whether you are a beginner who needs it for practice, a competitive shooter, or a hunter, the red dot can get the job done for you with optimum performance.


  • Waterproof, shockproof, and nitrogen purged.
  • Comes with 11 brightness settings to use in different condition.
  • Easy to mount and compatible with different firearms.
  • Small, compact, and durable metal housing with a matte black finish.
  • Unlimited eye relief to shot comfortably with two eyes.

Primary Arms Silver Series Advanced Push-Button Microdot Red Dot Sight

The Primary Arms is a well-known arms and equipment manufacturer who is providing high-quality and affordable red dot for the past few years. The Primary Arms Silver Series Advanced Push-Button Microdot Red Dot Sight is one of the best-selling products of the manufacturer. It comes with several rich features to give you an impressive performance.

The Primary Arms Silver Series Advanced Push-Button Microdot Red Dot features a 2 MOA dot which means it will appear to cover roughly 2 inches of the target at 100 yards. Such settings ensure you a perfect composition of the speed and the accuracy. Moreover, the magnifier can be attached behind the microdot unit. As a result, you will get a sight picture which will more like the typical magnified scopes.

The red dot sight comes with 12illumintion settings. Which means you can make slightest brightness customizations to match with your shooting environment. Another impressive thing about the red dot is it is compatible with night dot, which means you can also use it at night. It has a properly coated lens which prepares a clear view of the target. The 2MOA crisp red dot allows you to aim to your goal and acquire them very quickly.

The Primary Arms Silver Series Red Dot has a durable and hard coat anodized 6061 aluminum housing which ensures you a long-term performance. Moreover, it has a single CR2032 powerful Battery which can give you an estimated 50000 hours of battery life on medium illumination settings. Overall, the Primary Arms Silver Series Advanced Push-Button Microdot Red Dot is a trustworthy red dot sight.


  • Twelve different brightness settings for various shooting conditions.
  • Fully multi-coated lenses for better target view.
  • Compatible with night vision products.
  • Solid aluminum housing with an anodized matte black finish.
  • Fifty thousand hours of battery back up on medium brightness settings.

Ade Advanced Optics Crusader 8 Reticle Green Red Dot Sight

The Ade Advanced Optics Crusader 8 Reticle Green and Red Dot Reflex Sight come with a lot of versatile features to give you a reliable performance. The product includes both red dot and green dot sight for different shooting applications. It has an aluminum battery which makes it lightweight and highly durable for long-term use. The most impressive thing is it comes with a rechargeable battery. So, you are free from the hassle of changing the battery. It includes a charging port to charge the battery without removing it.

The Ade Advanced Optics Crusader 8 Reticle Green and Red Dot Reflex Sight have eight different kinds of the reticle. Such wide varieties of reticle choice make this one of the versatile red dot available in the market. There are also five different brightness settings. As a result, it will enable you to adjust the brightness according to the shooting condition.  It also has windage and elevation adjustment features so that you can shoot much precisely.

The dot sight has properly coated lens to provide you a clear view of the target. It also offers you an unlimited eye relief for shooting comfortably using both eyes. It has a quick detach mounting system for more straightforward attaching and removing. The convenient dot sight can be easily mounted on a wide variety of firearm which comes with Weaver/pica tinny mount.

The Ade Advanced Optics Crusader 8 Reticle Green and Red Dot Reflex Sight require low power for operation. As a result, you will get a long-battery-life for long-term shooting. It is also water-resistant and shock-resistant to perform decently at different weathers.


  • 8 Kinds of Reticle 5 different adjustable brightness settings.
  • Quick detach pica tinny/Weaver mounting system.
  • Unlimited eye relief for comfortable shooting.
  • Built-in rechargeable battery for hassle-free use.
  • Low battery power consumption for extended shooting sessions.

AT3 Tactical RD-50 PRO Red Dot Sight

The AT3 Tactical RD-50 PRO Red Dot Sight is adequately designed red dot sight which can accompany you in various type of shooting applications. The product comes with a sturdy metal construction which ensures you a long-term performance. Moreover, it has waterproof sealed housing so that you can use it in wet weathers. It is also shockproof to resist any damage while handling roughly. It has a matte black finish which gives it a stealth look along with resistance against scratches. The red dot sight also includes PRO-MOUNT Riser, which you usually require to buy additionally.

This AT3 Red Dot Sight allows you accurate and both eyes shooting with unlimited eye relief. It has 11 red dot brightness settings which provide you optimum visibility at any light condition. Moreover, the red dot comes with the high-quality, multi-coated, scratch resistant amber lens to enhance image clarity. The crisp 2MOA dot sight provides you a clear crystal and bright view of the target and also doesn’t wash out in the sunny days. The red dot offers you a parallax-free performance as well as it holds zero accurately.

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The AT3 Tactical RD-50 PRO Sight comes with a genuine Renata CR2032 lithium battery. The battery can offer you up to 50,000 hours of battery life at the lowest brightness settings. Another astonishing thing about the dot sight is it comes with all the required equipment such as optic cover, rubber bikini cover, lens cloth, and Allen wrench. The red dot sight is one of the best-rated dot sights in our list, and you can go for it without any prior hesitation.

Key Features:

  • Eleven red dot brightness settings for different shooting conditions.
  • Exceptional battery life with up to 50,000 hours backup.
  • Fully waterproof and shockproof sealed housing.
  • Sturdy construction with a scratch-resistant matte black finish.
  • Include PRO-MOUNT Riser and RD-ARMOR Optic Cover.

How to Choose the Best Red Dot Sight

As we say, the red dot is a simple product, but it comes with intricate and confusing apparatuses. If you have no previous knowledge about the red dot sights, then we will recommend you to read the below-buying guide. It will help you to choose the right product according to your preferences. Check the below features and aspects while buying the red dot to end up with a better product.

Reticle Pattern

Reticles pattern is one of the crucial things that you need to consider while choosing the red dot. There is an extensive variant of reticle patterns available. Different types of reticle perform well at different conditions. Try to go for a reticle pattern which suits your shooting application best. Besides, choose a dot which comes with multiple reticle patterns so that you can change your shooting condition accordingly.

Choosing the proper reticle size is also essential. If you use a thin reticle, then it will help you to shoot accurately. On the other hand, choosing the thick reticle will make it much comfortable to shoot, but the shoot will be less accurate.


The red dot can come in two different designs. They are either open design or tube design. Usually, most of the red dot available in the market comes in open design. The tube design is less weighty and has a smaller footprint. They typically don’t include the components which you usually don’t need. As they are lightweight, they don’t affect the recoil of the gun.

The closed design red dot sights are more like a traditional rifle scope. All the equipment are housed in a metal or aluminum housing. They usually provide you a better view of the target. However, due to their weight and bulkiness, some of the professionals don’t like them that much.


The red dot sight can come with different types of cell. Usually, they are equipped with a lithium-ion coin battery which is not rechargeable. They can provide you a long-term performance around 20,000 to 50,000 of hours. There are also some red dot sights which come with rechargeable batteries. Try to go for a dot sight with extended battery life so that you can use it hassle-freely.

High-quality optics

The optics or the lens of the red dot sight is the main component of the product. You will see the target through the lens. Try to go for a dot sight which comes with the high-quality optic. The optic should include a proper coating to offer you the right level of light transmission. The optic should also be scratch resistant so that you can use it for an extended period.


Are you going to use the red dot in different firearms at the same time? If so, then flexibility is also important for you. Try to go for a red dot that is compatible with a different type of firearms, including the handgun, shotgun, rifles, and muzzleloader. The red dot sight should be easy to mount and detach so that you can change it rapidly as required.

Brightness settings

You will require a different level of brightness at different shooting condition. Make sure that the red dot you buying come with adjustable brightness settings. It will allow you to change the light level depending on your shooting environment.


The construction of the red dot sight is also vital for long-term performance. The building of the red dot needs to be durable as well as lightweight at the same time. Try to go for a red dot sight that comes with high-quality aluminum construction.

Tips on Using a Red Dot Sight

Here are some tips which will be helpful for you to get the best out of your red dot sight.

  1. Try to focus on the target with both eyes.
  2. Bring the firearm up to your cheek instead of bringing down your head.
  3. Ignore the dot as it will slow you down. Instead, focus on the full view.
  4. Practice frequently with different sized targets to be much efficient.
  5. Study the brightness of the dot sight to find out the point of impact.

Final verdict

In above, we have discussed some of the Great red dot sight available in the market currently. We also provide you an effective buying guide so that you can easily find the red dot with your preferred features. So, now it should be simpler for you to select the right red dot for your sight. However, if you are still in confusion and want us to suggest one for you, then we will recommend you the Sig Sauer SOR52001 Romeo5 1x20mm Compact 2 Moa Red Dot Sight. With all the decent features and sturdy construction, it will provide you a long-term performance without any issue. You can go for it without any further confusion. We ensure you that you will not be disappointed with the red dot sight.

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