Best Red Dot Sights for Your Sig Sauer P22 Pistol

Author: Chris G.
Date: November 14, 2023

Accuracy and precision are paramount when it comes to shooting. Red dot sights have revolutionized the way shooters acquire their targets. If you own a Sig Sauer P22, a popular semi-automatic rimfire pistol, equipping it with a red dot sight can enhance your shooting experience dramatically. These optics provide rapid target acquisition, improved accuracy, and an edge in various shooting scenarios, from recreational plinking to self-defense.

In this guide, we'll list down the top red dot sights available for your Sig Sauer P22, offering insights into the features, advantages, and considerations for each. Each of these sights offers unique features to meet the needs of every shooter.

Top 5 Red Dot Sights Recommended for Sig Sauer P22

When it comes to selecting the best red dot sight for a Sig Sauer P22, there are five top contenders worth considering.

These sights include the Holosun HS507C V2, the Trijicon RMR Type 2, the Vortex Optics Venom, the Leupold Deltapoint Pro, and the Aimpoint ACRO P-1.

Each of these sights offers unique benefits and features that make them a strong choice for owners of the Sig Sauer P22.

1. Holosun HS507C V2

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HOLOSUN HS507C-X2 Classic Multi Reticle Red Dot Sight, Black

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The Holosun HS507C V2 deserves attention as a high-quality red dot sight for the Sig Sauer P22. Constructed with durable 7075-T6 aluminum and multi-coated glass, this sight is built to withstand tough conditions. It boasts an impressive battery life of up to 20,000 hours, reducing the need for frequent battery changes.

The sight features a patent-pending ACSS Vulcan reticle with a 10 MOA center chevron, designed to improve sight acquisition for new shooters. It's also suitable for individuals with astigmatism, although the clarity may vary depending on the brightness settings.


  1. Multiple Reticle Options: The Holosun HS507C V2 offers multiple reticle options, including a 2 MOA dot, a 32 MOA circle, and a combination of both. 
  2. Solar Panel: The sight has a solar panel on the top, which helps to power the sight and extend battery life when exposed to ambient light. This can be a significant advantage for outdoor shooters who want to conserve battery power.
  3. Long Battery Life: In addition to the solar panel, the HS507C V2 is equipped with a battery, and it has an impressive battery life, often lasting thousands of hours before needing replacement.
  4. Shake Awake Technology: The sight includes Holosun's "Shake Awake" technology, which detects motion and automatically turns the reticle on when the sight is moved and off when it's at rest. This feature helps conserve battery life and ensures the sight is ready for use when needed.
  5. Durable Construction: The HS507C V2 is constructed with a robust and durable design. It's waterproof, fog-resistant, and shock-resistant, making it suitable for various environmental conditions and applications.
  6. Parallax-Free: This sight is designed to be parallax-free at specific distances, which means the point of impact remains on target, even if your eye position shifts slightly. This helps maintain accuracy.


  1. Price: While the Holosun HS507C V2 offers a range of features, it can be relatively expensive compared to some other red dot sights on the market. It may not be the most budget-friendly option.
  2. Battery Dependency: Although the HS507C V2 has a long battery life and the solar panel helps extend it, you will still need to monitor and replace the battery periodically. 
  3. Complex Reticle: While the multiple reticle options can be an advantage, some users may find the reticle options too complex for their needs. A simple 2 MOA dot may be preferred by those who want a more straightforward aiming point.
  4. Weight and Size: Some users might consider the Holosun HS507C V2 to be on the heavier or bulkier side for a red dot sight. This can impact the balance and handling of your firearm, particularly on smaller handguns.

2. Trijicon RMR Type 2

Trijicon RM06-C-700672 RMR Type 2 Adjustable LED Sight, 3.25 MOA Red Dot Reticle, Black
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One of the top red dot sights recommended for the Sig Sauer P22 is the Trijicon RMR Type 2. This sight has a rugged design and exhibits high performance. It has a unique patented housing shape made of military-grade aluminum, ensuring durability in tough conditions.

It also has a battery conservation mode that adjusts the aiming dot based on ambient lighting. The button lockout feature prevents accidental adjustments, giving shooters confidence and control. The Trijicon RMR Type 2 has a 3.25 MOA adjustable LED RMR, guaranteeing accuracy.

Despite concerns about water ingress without a sealing plate, customer feedback overwhelmingly praises its performance and improved marksmanship. 


  1. Durability: The Trijicon RMR Type 2 is built to withstand harsh conditions, making it incredibly durable. It is waterproof, shock-resistant, and designed for extreme conditions.
  2. Long Battery Life: The sight features an extended battery life, lasting thousands of hours on a single battery, depending on the brightness setting. This ensures that the sight remains operational for an extended period.
  3. Adjustable Brightness: The RMR Type 2 offers adjustable brightness settings so you can see the red dot in various lighting conditions.
  4. Parallax-Free: The point of impact remains on target even if your eye position shifts slightly. 
  5. Mounting Options: Trijicon offers various mounting options and adapter plates to fit the RMR Type 2 on a wide range of firearms, ensuring compatibility with different platforms.
  6. Versatile Models: The RMR Type 2 is available in various models, including those with adjustable LED illumination, dual-illuminated (fiber optic and tritium), and battery-powered options.


  1. Price: The Trijicon RMR Type 2 is known for its high-quality construction, but it comes at a premium price. 
  2. Battery Dependency: While the RMR Type 2 has a long battery life, you will still need to replace the battery periodically. 
  3. Complex Reticle Options: Some users may find the reticle options on certain models of the RMR Type 2 to be overly complex for their needs.
  4. Weight and Size: The RMR Type 2 is heavier and bulkier side for a red dot sight. 
  5. Lack of Solar Power: Unlike some newer red dot sights, the RMR Type 2 doesn't have a solar panel for additional power. It relies solely on batteries or tritium, depending on the model.

3. Vortex Optics Venom

Vortex Optics Venom Red Dot Sight - 3 MOA Dot
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The Vortex Optics Venom red dot sight is highly recommended for the Sig Sauer P22. It's designed for rapid target acquisition and precise shooting. The sight features a durable aluminum housing and multi-coated lenses that provide a wide and clear field of view.

Users appreciate the easy-to-use power and dot intensity controls as well as the auto-brightness mode that adjusts seamlessly to ambient light. Changing the battery is simple with the top load system, and the O-ring seals ensure protection against moisture, dust, and debris.

With its compatibility with rifles and shotguns, this sight offers incredible versatility. 


  1. Affordable Price: The Vortex Optics Venom offers good quality and features at a relatively affordable price point, making it accessible to a broad range of shooters.
  2. Quality Construction: The sight is constructed with quality, durable materials. 
  3. Clear Optics: The Venom provides clear and high-quality optics. The fully multi-coated lenses help reduce glare and improve light transmission.
  4. Adjustable Brightness: The adjustable brightness settings make the reticle visible in bright daylight as well as low-light situations.
  5. Parallax-Free: Like many other red sight dots, the Vortex Optics Venom is parallax-free to help maintain accuracy.
  6. Long Battery Life: The Venom has a long battery life, which can extend to thousands of hours, depending on the brightness setting. 
  7. Mounting Options: Vortex Optics offers a variety of mounting options and adapter plates to fit the Venom on various firearms, ensuring compatibility with different platforms.


  1. Limited Reticle Options: The Vortex Venom typically offers a simple 3 MOA dot reticle. While this is suitable for most shooting scenarios, some users may prefer more reticle options, such as a circle-dot configuration or crosshairs.
  2. Battery Dependency: As with most red dot sights, the Venom relies on batteries for illumination. 
  3. Weight and Size: Some users might find the Vortex Venom slightly bulky or heavy compared to more compact red dot sights. 
  4. Lower Endurance to Harsh Conditions: While the Venom is durable, it may not be as robust as high-end sights like the Trijicon RMR when it comes to extreme conditions or military use. However, for most civilian and sporting applications, it is more than sufficient.

4. Leupold Deltapoint Pro

Continuing with our recommendations for the Sig Sauer P22, we have the Leupold Deltapoint Pro. This red dot sight features professional-grade construction and excellent light transmission.

The sight is made from durable 7075 T6 Aluminum and features user-friendly control buttons to prevent accidental changes. With Motion Sensor Technology, the battery life is extended, allowing you to focus on your shooting. Additionally, the illuminated reticle is perfect for low-light situations. 


  1. Quality Construction: The DeltaPoint Pro is durable and rugged construction to withstand recoil, environmental conditions, and frequent use.
  2. Clear Optics: Fully multi-coated lenses lessen glare and enhance light transmission.
  3. Motion Sensor Technology: The DeltaPoint Pro features motion sensor technology, which detects movement and automatically activates the illumination when the sight is moved and powers down when at rest. This feature helps conserve battery life.
  4. Long Battery Life: The sight can last thousands of hours on a single battery.
  5. Adjustable Brightness: The brightness of the reticule can be adjusted, ensuring visibility in bright daylight and low-light situations.
  6. Parallax-Free: Even if your eye position shifts slightly, the bullet will still impact where the red dot is pointed.
  7. Large Field of View: The sight offers a large field of view, providing excellent situational awareness and making it easier to track moving targets.


  1. Price: The Leupold DeltaPoint Pro is a premium sight, which may make it less accessible to budget-conscious shooters.
  2. Battery Dependency: While the battery life is relatively long, users need to keep spare batteries on hand and monitor battery status.
  3. Weight and Size: The DeltaPoint Pro is slightly heavier than more compact red dot sights, which may affect the balance and handling of your Sig Saur P22.
  4. Limited Reticle Options: The DeltaPoint Pro has a rudimentary 2.5 MOA dot reticle. Some users may prefer more reticle options.
  5. Limited Compatibility: Mounting options for the DeltaPoint Pro can be limited, and it may not be as versatile in terms of compatibility with various firearms as some other red dot sights. 

5. Aimpoint ACRO P-1

The Aimpoint ACRO P-1 is a compact and durable red dot sight designed for handguns and other firearms. This tough sight is an excellent choice for your Sig Sauer P22, offering reliability and precision in every shot.

The ACRO P-1 features a fully enclosed housing that protects its electronic components from contaminants, ensuring a clear dot at all times. It's versatile and can be used as a primary optic or backup on various firearms. With a submersible depth of up to 82 feet, this sight is ready for any environment.

Equipped with a 3.5 MOA red dot, the ACRO P-1 allows for quick target acquisition. It offers four Night Vision settings and six daylight settings, catering to different lighting conditions. The battery life is impressive, lasting up to 1.5 years at setting 6. You can change the battery without removing the sight, providing convenience and uninterrupted usage.

The Aimpoint ACRO P-1 is the epitome of ruggedness, making it a reliable companion for any shooter. Its robust construction and advanced features make it a top-notch choice for those seeking a dependable red dot sight.


  1. Sturdy Build: The ACRO P-1 is engineered for ruggedness, capable of withstanding recoil, harsh environmental conditions, and rough handling. It's tailored for demanding scenarios and can even be submerged to significant depths.
  2. Constant Illumination: This sight incorporates an "always-on" technology, ensuring that the red dot remains illuminated at all times. It's instantly ready for action when you draw or handle the firearm, eliminating the need for manual activation and preserving battery life.
  3. Prolonged Battery Life: The ACRO P-1 boasts an extended battery life, potentially lasting for thousands of hours. This combination of constant-on technology and enduring battery life guarantees extended operational use.
  4. Clear Optics: The sight offers high-quality optics that deliver a sharp view of the reticle and target. The lenses are fully multi-coated to reduce glare and enhance light transmission.
  5. Adjustable Brightness: The ACRO P-1 provides adjustable brightness settings, ensuring that the reticle remains visible in bright daylight or dimly lit situations.
  6. Parallax Elimination: The sight is engineered to be parallax-free for sustained accuracy.


  1. Premium Price: The Aimpoint ACRO P-1 falls within the premium price range, which might limit its accessibility to budget-conscious shooters.
  2. Battery Replacement Complexity: Changing the battery can be a bit more complex than with some other red dot sights. 

Limited Mounting Options: The ACRO P-1 may offer fewer mounting choices compared to other red dot sights. It's important to verify its compatibility with your specific firearm or platform. 

What is a Red Dot Sight

A red dot sight is a type of non-magnifying reflector sight that is used on firearms such as the Sig Sauer P22. It is designed to provide a rapid and intuitive aiming solution for the shooter, allowing him to acquire and track targets easily and rapidly. Red dot sights are popular among both professional shooters and recreational firearms enthusiasts for their accuracy and ease of use.

Red dot sights are often used on other devices like cameras and telescopes to improve accuracy and focus. 

Basics of a Red Dot Sight

A red dot sight is comprised of these basic components. They work together to provide a clear and reliable aiming solution for the shooter.

  1. Optics: The optical system consists of lenses that allow the user to see both the target and the red dot reticle clearly. Red dot sights can have a single lens or a system of lenses to improve optical quality.
  2. Reticle: The reticle is the illuminated aiming point that is superimposed on the target. The most common type is a red dot, thus the name of the sight. Other shapes like crosshairs, circles, or other patterns are also used in some models.
  3. Illumination Source: Red dot sights have an internal light source, usually an LED (Light Emitting Diode), which projects the illuminated reticle onto the lens. This makes the reticle visible to the shooter. The brightness of the reticle can often be adjusted to suit different lighting conditions.
  4. Parallax Adjustment: Some red dot sights have parallax adjustment knobs or dials. This allows users to fine-tune the sight to minimize parallax error, ensuring that the point of impact remains on target even if the shooter's eye position shifts.
  5. Battery Compartment: Most red dot sights are powered by batteries to illuminate the reticle. The battery compartment is where the power source is inserted.
  6. Adjustable Brightness Controls: Red dot sights often feature controls to adjust the brightness of the illuminated reticle. 
  7. Windage and Elevation Turrets: Red dot sights usually have windage (horizontal) and elevation (vertical) adjustment turrets or dials. These controls allow the user to make precise adjustments to the point of impact to zero the sight with the firearm.
  8. Mounting System: Red dot sights can be attached to firearms using various mounting options, such as Picatinny or Weaver rails, specific mounting plates, or other mounting systems designed for a particular firearm model.
  9. Housing and Body: The sight's housing is typically made of durable materials, such as aluminum or polymer, to withstand recoil, rough handling, and extreme environments. High-quality red dot sights are designed to be waterproof, fog-resistant, and have coated lenses for improved scratch resistance.

How Does a Red Dot Sight Enhance Accuracy

A red dot sight simplifies the aiming process, reduces aiming errors, and provides rapid target acquisition.

It can provide a fast and intuitive aiming solution. When you bring the firearm up to your line of sight, the illuminated red dot is superimposed on the target so you can quickly acquire the target and aim with both eyes open. A red dot typically does not have magnification, helping you maintain situational awareness and making it easier for you to engage targets rapidly.

With traditional iron sights, aligning the front and rear sights can be challenging, especially under stress, high level of movement, or in low-light conditions. Red dot sights simplify this process by placing a single red dot on the target

Many red dot sights are designed to be parallax-free or have minimal parallax. This means that the point of impact remains on the target even if your eye's position shifts slightly or you move your head while aiming. 

Red dot sights typically have adjustable brightness settings, making the reticle visible in a variety of lighting conditions. Whether you're shooting in bright daylight or low-light situations, you can adjust the reticle's brightness to maintain accuracy.

Finally, red dot sights usually have windage and elevation adjustment controls, allowing you to zero the sight to your specific firearm and ammunition. This precise adjustment ensures that your shots hit exactly where you aim.

Benefits of Using a Red Dot Sight on Your Sig Sauer P22

Using a red dot sight on your Sig Sauer P22 can greatly improve your overall accuracy and shooting experience. 

  1. Improved Target Acquisition: Red dot sights provide intuitive and fast target acquisition. When you bring your P22 up to your line of sight, the red dot is superimposed on the target, allowing you to aim quickly and accurately. This is especially important in fast-paced shooting situations.
  2. Enhanced Accuracy: Red dot sights help you maintain accuracy by simplifying the aiming process. The red dot eliminates the need for traditional iron sights and sight alignment.
  3. Quick Follow-Up Shots: Red dot sights make it easier to track and engage multiple targets or make rapid follow-up shots. With the reticle staying on the target as you maintain clear sight picture, you can transition between targets more efficiently.
  4. Parallax-Free Aiming: Many red dot sights are designed to be parallax-free. The point of impact remains on the target even if your eye position shifts. This lessens aiming errors and increases accuracy.
  5. Unlimited Eye Relief: Red dot sights provide unlimited eye relief, allowing you to maintain a comfortable shooting position while still seeing the reticle clearly. You will be able to maintain situational awareness due to your wide field of view.
  6. Versatile Lighting Adaptation: Red dot sights often have adjustable brightness settings, making the reticle visible in various lighting conditions, from bright daylight to low-light situations.
  7. Reduced Sight Picture Obstruction: With red dot sights, your field of view remains unobstructed. There are no front and rear sight posts to interfere with your sight picture.
  8. User-Friendly: Red dot sights are considered user-friendly and are often easier to learn. This can boost a shooter's confidence and comfort.

Mounting Options for Red Dot Sights on Sig Sauer P22

The Sig Sauer P22 is a popular semi-automatic rimfire pistol, and there are various mounting options available for attaching red dot sights to it. The specific mounting method you choose depends on your preferences and the type of red dot sight you have. 

  1. Weaver Rail Mount: Some Sig Sauer P22 models may have a Weaver-style accessory rail, which is similar to the Picatinny rail but has a different groove design. If your P22 has a Weaver rail, you can use a Weaver-compatible mount for your red dot sight.
  2. Dovetail Mount: Some red dot sights come with mounts designed to attach to the dovetail groove on the P22's slide. These mounts are specific to the pistol and are secured by tightening screws into the dovetail groove. Ensure that your red dot sight is compatible with this type of mount.
  3. Slide Cut Mount: Some aftermarket companies offer services to mill or cut a slot into the slide of your Sig Sauer P22 to directly mount a red dot sight. This method provides a low-profile and secure attachment for the red dot sight. However, this mounting style may require professional gunsmithing.
  4. Adapter Plates: Certain red dot sights are designed to be mounted using adapter plates that fit into the existing dovetail slots or onto the existing slide cuts of the P22. These adapter plates are often model-specific, so ensure that you choose the correct one for your P22 variant and red dot sight model.
  5. Frame Mounts: While less common, some red dot sights may come with frame mounts that attach to the frame or trigger guard of the pistol. These mounts typically require specialized installation and are specific to certain red dot sight models.

Factors to Consider when Selecting a Red Dot Sight for Your Sig Sauer P22

Your Sig Sauer P22 is already an exceptional firearm. Let's make it even better with a pistol red dot sight. Here are some considerations to bear in mind if you're buying a red dot sight for Sig Sauer P22.

  1. Mounting Compatibility: Ensure that the red dot sight you choose is compatible with the mounting options available for your Sig Sauer P22. Some red dot sights may require specific adapter plates or mounts to fit your pistol.
  2. Reticle Type: Red dot sights offer various reticle options, including simple red dots, crosshairs, circles, and more. Choose a reticle type that you find comfortable and easy to use. A standard red dot is a popular choice for its simplicity.
  3. Reticle Size: Consider the size of the reticle dot or reticle elements. A smaller dot can be more precise for longer-range shooting while a larger dot may be quicker to acquire for close-quarters or fast shooting scenarios.
  4. Brightness Control: Look for a red dot sight with adjustable brightness settings. This feature allows you to adapt to different lighting conditions.
  5. Battery Life: Check the expected battery life of the red dot sight. Longer battery life is preferable to avoid frequent battery changes or recharging. 
  6. Durability: Ensure that the red dot sight is built to withstand recoil and environmental conditions. Look for features like waterproof and fog-resistant construction, shock resistance, and scratch-resistant lens coatings.
  7. Weight and Size: Consider the size and weight of the red dot sight as this can affect the balance and handling of your Sig Sauer P22. A compact and lightweight sight is generally more desirable for handguns.
  8. Parallax: Some red dot sights are designed to be parallax-free for better accuracy, especially at various shooting distances.
  9. Adjustment Turrets: Look for windage and elevation adjustment turrets or dials on the red dot sight. Precise adjustment controls are essential to zero the sight with your P22 and ensure accurate shot placement.
  10. Co-Witness Capability: Co-witnessing refers to the alignment of your red dot sight's reticle with your iron pistol sights. Your chosen red dot sight should be compatible with co-witnessing your P22's iron handgun sights.
  11. User-Friendly Features: Some red dot sights offer additional features such as motion-activated illumination, solar power, auto-off timers, or night vision compatibility. These features can enhance your shooting experience but may come at an additional cost.
  12. Warranty: Check the warranty offered by the manufacturer. A good warranty can provide peace of mind in case of any issues with your red dot sight.

Frequently Asked Questions

Are there any specific maintenance practices for red dot sights on a Sig Sauer P22?

It's important to regularly clean the lens to ensure clear visibility. Check the battery life is crucial to avoid any unexpected failures during use.

Another important step is to securely mount the sight to prevent any movement or loss of zero. Handling the red dot sight gently is necessary to prevent damage to its internal components.

How does the performance of these red dot sights vary in different weather conditions?

The performance of red dot sights can vary in different weather conditions. However, most are designed to withstand harsh environments. A good-quality red-dot sight should have no trouble performing in rain or snow. 

What warranties are offered by the manufacturers of these red dot sights?

If you're unsure about the specific warranties offered by manufacturers such as Trijicon, Leupold, Holosun, Aimpoint, and Vortex for their red dot sights, it's always best to reach out to them directly. By contacting the manufacturers, you can get accurate and up-to-date information on the warranties they provide. 

Are there any training resources available to help a new user get used to a red dot sight?

There are plenty of online resources, tutorials, and articles available to help new users become familiar with red dot sights. Many manufacturers provide user manuals that offer step-by-step instructions on how to use and adjust the sight. But the best way to learn how to use a red dot is at the local firing range. You will get practical tips, advice, and support from experienced users. 

How does the mounting process differ between these red dot sights and traditional iron sights?

Mounting red dot sights is a different process compared to standard iron sights. However, it is usually easier because red dot sights can often be directly attached to the gun's rail system. 


Our Top Choice
HOLOSUN HS507C-X2 Classic Multi Reticle Red Dot Sight, Black

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When it comes to choosing the best red dot sight for your SIG SAUER P229, there are several factors to consider. These include durability, battery life, and reticle preferences. Fortunately, there are a variety of options available that offer unique features suited to different shooting needs.

By choosing the right red dot sight for your SIG SAUER P229, you can greatly improve your accuracy and enjoy your overall shooting experience. Take your time, evaluate your needs, and choose wisely. Remember, a well-chosen sight can make all the difference in hitting your target with precision.

The name's Chris. Just a regular dude who loves firearms. I've been shooting since I was a kid. My old man taught me the ropes. I'll never forget the first time I missed an easy shot on a buck, thanks to a bum scope. The image was fuzzier than my dog's butt. After that, I got obsessed with understanding scopes. What makes the good ones tick and the bad ones trash. After a few years and a few thousand bucks, I learned what separates the winners from the losers. Once I had a good stockpile of knowledge, I launched this site.

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