Red dot sights are typically the best accessories for pistols. They provide a precise aiming point for easy shooting in all situations. Additionally, they come in different models and we are here to take you through the best Glock 20 red dot sights.
Investing in a quality red dot sight for your Glock 20 pistol is essential for anyone serious about shooting. With the right model, you will find it easy to acquire targets no matter the environment. A quality red dot sight will also go the extra mile to enhance your shooting skills and ensure that you make the most of shooting.
However, for those new in the optics world, knowing which red dot to choose is not always a walk in the park. There is a multitude of options to choose from and we are here to help you find the model that will allow you to push your pistol to its full potential.
Why Do You Need a Red Dot Sight
Red dot sights have become an essential optical device for gun enthusiasts and their popularity is due to the numerous benefits they offer. Improved accuracy is one of the benefits of mounting a red dot sight.
With a reflex sight, the red dot is directly placed on the target and when you look through the lens, you see the dot laid over the target which enhances accuracy and target acquisition.
The other reason why a red dot sight is a great addition to your pistol is improved performance in low lighting conditions. The red dot is illuminated making it easier to see in dim conditions. This is crucial for self-defense and other close-range engagements.
Besides improved accuracy, a red dot sight allows faster target acquisition. When sighting with a red dot sight, both eyes are open to help you scan the environment and locate the targets. Full situational awareness is important in close-range engagements.
Parallax is another problem when sighting through optical devices. However, red dot sights are designed to eliminate parallax and provide consistent accuracy. When you mount a pistol red dot sight, your shots will always hit the intended target.
Lastly, red dot sights are versatile and allow you to adapt to various shooting scenarios. You can mount it on a handgun, rifle, or shotgun. Open a new world of opportunities by investing in a red dot sight.
8 Best Glock 20 Red Dot Sights
We have an essential guide to Glock 20 red dot sights for you to choose from and an in-depth approach to the way you should make your selection. So, without any further ado, let’s jump right in.
1) Holosun Sub-Compact HS507K-X2 1x2MOA Dot Red Dot Sight
This is the reflex sight you need to acquire targets swiftly and make accurate shots when engaging close-range shots. Holosun Sub-Compact HS507K-X2 is a compact red dot optic that is optimized for handgun use. It is rich in modern features that make it one of the best Glock 20 red dot sights.
This red dot sight is sturdy and well-built to handle any abuse. It is crafted with 7075-T6 aluminum, a material that is durable and lightweight. What’s more, it is fully waterproof, fog-proof, and shockproof to ensure operability in all kinds of weather conditions.
As outstanding as the construction quality is so are the optical features. The red dot sight has several layers of anti-reflective coating on all optics. The coatings fight glare and maximize light transmission for bright and clear views. Moreover, the sight has unlimited eye relief and parallax-free optics for complete situational awareness.
Another impressive thing about this red dot optic is its reticle system. It has a crisp 2 MOA reticle whose illumination is adjustable into 12 brightness settings. This optic also comes with a convenient battery compartment for easy battery change.
Features
- IP67-rated, shock, fog, and waterproof
- Unlimited eye relief
- Multi-coated lens
- 7075-T6 aluminum housing
- Lock mode to protect settings
- Shake Awake technology
- Anodized finish
- 12 brightness settings
- Solar Failsafe technology
- 30 MOA adjustment range
Pros
- Convenient battery tray
- Long battery life
- Accurate
- Easy to install and use
Cons
- Not duty-worthy
2) Vortex Defender-ST 3 MOA Red Dot Sight
This is an innovative optic that will elevate your shooting game to greater heights. The red dot sight has an incredible field of view so you can maintain full situational awareness in the field.
The superior glass on the lenses coupled with the impressive field of view gives shooters an advanced sighting experience.
The Defender-ST is built with resilient and durable materials to deliver reliable performance. It is designed with a polymer insert that protects it from shocks from everyday use.
The optical brilliance of this red dot is admirable. It has 10 daylight brightness settings to help you adapt to different lighting conditions in the field.
Vortex Defender-ST is intended to function as the perfect reflex sight for any shooter and is arguably one of the best Glock 20 red dot sights. This proficient red dot sight makes it easier to acquire targets quickly and make precise successive shots.
For anyone looking for a top-of-the-line reflex sight to mount on their pistol, look no further than the Vortex Defender-ST. Pair your Glock 20 with an effective reflex sight that will help you adapt to any shooting scenario confidently.
Features
- Motion activation with 10 minutes auto-shutoff
- Superior lens coating
- Wide field of view
- Unlimited eye relief
- Waterproof, shockproof and fogproof
- Night vision compatibility
- Tough construction
Pros
- Brilliant optics
- Tough and durable construction
- Crisp and sharp images
- Good price
- Night vision compatibility
- Great warranty
Cons
- No drawbacks
3) Trijicon SRO MOA Red Dot Sight
Trijicon SRO MOA red dot sight is a top-tier reflex sight specially designed to improve your precision, performance and shooting experience. It is a high-quality red dot sight ideal for a wide range of shooting applications where speed and recovery are vital.
With eight brightness settings, this optic is ideal for use in virtually all light settings. You can easily customize the reticle to suit your preference and lighting conditions. Moreover, two of the lowest settings are night vision settings.
When it comes to use and handling, the red dot sight features a top-loading battery tray for quick and easy battery replacement. On top of that, it has a button lock-out mode for securing your brightness settings and a large, unobstructed field of view for rapid target finding.
The construction quality of this optic is also impressive. It is made with 7075-T6 aluminum and shockproofed to handle the beating. Over and above that, this red dot sight is waterproof and submersible to 10m.
Features
- Top-loading battery
- Button lock-out mode
- 5 daylight, 2 night-vision, and 1 super-bright illumination settings
- 7075-T6 aluminum construction
- Unlimited eye relief
- LED illumination
- 1 MOA adjustment click value
- Waterproof and submersible to 10ft
- Compatibility with suppressor height iron sights
Pros
- Night vision-compatible settings
- Sturdy and outstanding duty-worthy
- Large window
- Decent battery life
Cons
- Comparatively costly
4) EOTech XPS3 Traverse Red Dot Sight
Another proficient red dot sight that is one of the best Glock 20 red dot sights is the EOTech XPS3 Traverse red dot sight. This is the go-to optic if you are looking to take your shooting to the next level.
The selling point of this red dot sight is the reticle. It employs unique reticle patterns that are critical to delivering rapid target acquisition. The unique reticle design also delivers unmatched MOA accuracy at any range.
In terms of construction, this red dot sight is made from aluminum. It is well-built to withstand wear and tear that comes with regular use. In addition to that, the housing is fully protected from dust, moisture, and other elements.
Other noteworthy features included are unlimited eye relief, 20 daylight illumination settings, and a single battery configuration that allows more rail space.
Features
- Low-glare matte finish
- Aluminum construction
- Infinite eye relief
- 5 MOA adjustment click value
- Multi-reticle system
- Waterproof and submersible to 33ft/10m
- 20 daylight brightness settings
Pros
- Great for astigmatic people
- Large viewing window
- Durable and reliable construction
- Easy to install and use
Cons
- Expensive
5) Vortex Defender CCW 1x25mm Red Dot Sight
This is another premium-quality red dot sight ideal for close and medium-range shooting. It is easy to use even for beginners and comes at an incredibly reasonable price.
The red dot sight has a 6 MOA red dot that is illuminated in eight daytime levels and two that are compatible with night vision fear.
The reticle is easy to spot even for those with aging eyes. Besides, its functionality is enhanced by the aspherical lens that gives distortion-free sight pictures.
Vortex optics are known for their robust construction and this is clear with the red dot sight. It has a compact, lightweight single-piece chassis optimized for durability. The optic is also waterproof, dustproof, and shockproof.
Above all, the Vortex Defender CCW 1x25mm Red Dot Sight comes with a top mount battery for easy battery changes and a fast rack aggressive texturing for racking slide off any surface.
Features
- 6 MOA red dot reticle
- ShockShield polymer
- Unlimited eye relief
- Waterproof with O-rings
- Rugged single-piece chassis
- Low-glare matte black anodized finish
- Fast-rack aggressive texturing
- Motion-activated illumination
- Top-mount battery
- 10 brightness settings
Pros
- Rugged construction
- Compact and lightweight
- Affordable
Cons
- Not fog-proof
6) JP Enterprises JPoint 4 MOA Dot Sight
JP Enterprises JPoint 4 MOA Dot Sight comes with all the modern features you would expect. It is lightweight and compact to fit easily on your pistol and not affect its balance or precision.
This red dot sight enables easy aiming in all lighting conditions. The 4 MOA dot intensity is adjustable in various settings and is bright enough to see even in bright sunlight. It is also accurate and ideal for short to medium-range shooting.
With unlimited eye relief, this weapon sight aids in rapid target finding and acquisition. Moreover, it provides a large viewing window to enhance your overall shooting comfort, with or without eyewear.
Features
- Open emitter
- 4 MOA dot
- Red LED illumination
- Unlimited eye relief
- Microelectronic technology
Pros
- Versatile
- Good value for the price
- Great for users with old eyes
- Decent battery life
Cons
- You have to unbolt it to change the battery
7) Crimson Trace CT-RAD Micro Red Dot Sight
As one of the best Glock 20 red dot sights, Crimson Trace CT-RAD Micro Red Dot Sight is well-designed with modern features. It is highly versatile to meet the needs of every avid shooter out there.
Its aiming point is a crisp 3 MOA dot. Thanks to the ambient light sensor, the illumination of the reticle adjusts instantly relative to the ambient light conditions. Besides that, the red dot has fully multi-coated optics responsible for maximizing light transmission.
Construction-wise, it is made from 7075 series aerospace aluminum. It is 30% stronger than industry standard sights made with 6061 series aluminum for ultimate durability. Moreover, it comes with an innovative top strap design that deflects force in the event of accidental falling.
Features
- Aerospace aluminum housing
- Fully multi-coated chassis
- IPX-4 water resistance level
- Non-reflective matte finish
- Integrated co-witness sight
- Ambient light sensor
- 3 MOA red dot reticle
Pros
- Compact and lightweight
- Crisp red dot
- Brilliant optics brightness
- Quick, straightforward installation
Cons
- Bottom-accessible battery compartment
8) Swampfox Sentinel 1x16mm Ultra Compact Micro Dot Sight
Our last red dot recommendation for Glock 20 is Swampfox Sentinel 1x16mm. It is designed with everyday carry in mind and with a myriad of features that you require to hone your shooting skills.
The red dot is compact but ultra-durable. It has a rugged 7075-T6 aluminum chassis that guarantees unparalleled durability. Furthermore, it has an IPX-7 water-resistant rating for use in all weather conditions.
With the crisp 3 MOA reticle, the optic guarantees precision shooting even at a distance. The brightness of the reticle is adjustable to 10 settings to ensure confident shooting across a wide range of lighting conditions.
Even better, there is an auto-brightness mode that adjusts the brightness of the reticle instantly relative to your environment.
Features
- Fully multi-coated optics
- 3 MOA red dot reticle
- Non-reflective matte finish
- Parallax-free at 33 yards
- 10 brightness settings
- IPX-7 water-resistant level
- 7075-T6 aluminum housing
- 5 MOA adjustment click value
- Automatic brightness adjustment
Pros
- All-metal construction
- Inexpensive
- Compact and lightweight
- Bright optics
Cons
- No tactile adjustment clicks
Further Reading
- Best Glock 40 MOS Red Dot Sights
- Best Glock 29 Red Dot Sights
- Best Red Dots for Glock 19 MOS
- Best Hunting Red Dot Sights
Best Glock 20 Red Dot Sights Buying Guide
Consider the following when shopping for a Glock 20 red dot sight.
Battery Life
Most Glock 20 red dot sights run on battery power. We recommend that you settle for a model that is powered by a high-capacity battery. It will last long and ensure optimal operation in all shooting situations.
Intended Use
The next thing to consider is the intended application. Are you looking for a red dot sight for self-defense, everyday carry, hunting, or tactical use? Be specific about the application and opt for a red dot that is best suited for the application.
Read: Best Sig Sauer Red Dot Sights
Size and Weight
The size of red dot sights varies greatly from one product to the other. Given the compact size of the Glock 20, it is vital to get a red dot sight that is equally compact. The best Glock 20 red dot sights should also have an ultra-lightweight construction.
Durability
You need to invest in a red dot sight that is crafted with durability in mind. A model made from high-end materials will last for many years and be operable even in the most unforgiving environments.
The optic you choose to buy should also be fully protected from elements and operable even in extreme temperatures.
Read: Best Red Dot Sights for 30-06
Cost
Finally, consider the cost. The best Glock 20 red dot sights come at varying costs to meet the budget needs of every user out there. Look at the features that each product brings to the table and opt for one that meets both your budget and shooting needs.
FAQs
Q: What Red Dot size is Best for Glock 20?
It depends on your shooting needs and individual preferences. A large reticle of 6 or 4 MOA is easy to spot and hence the best for users with aging eyes. On the other hand, you need a small reticle of 3 MOA and below if precision and speed are what you are after.
Q: Is it Worth Putting a Red Dot on the Glock 20?
Absolutely. Putting a red dot on a Glock 20 will help you shoot more accurately. It will also decrease your target reacquisition time and make your overall shooting experience fun and memorable.
Final Shot
Red dot sights are an excellent investment for anyone looking to hone their shooting skills. With their exceptional accuracy and ease of use, they are sure to become a handy companion for your favorite pistol. Hopefully, you have found this post to be insightful and you can now find a Glock 20 red dot sight to take your shooting to the next level.