When you need fast and accurate target acquisition, mount a red dot sight on your Glock 20. If you are on the hunt for the best red dot sights for Glock 20, you have come to the right place. We have rounded up red dot sights designed to increase the precision and accuracy of your handgun.
In the firearms world, Glock 20 is a workhorse of a pistol. It delivers powerful downrange force with exceptional accuracy across vast ranges.
Furthermore, it has been the 10mm standard-bearer for decades now and it is for good reasons. It is versatile, accurate and built solid like a tank. It also features an extremely large magazine capacity that is almost double that of other pistols.
However, handguns unlike other firearms are quite hard to accessorize. The use of red dot sights for handguns has been on the rise and today it is possible to mount a red dot on the Glock 20 handgun. Adding a good red dot sight comes with tons of benefits that will improve your overall performance with this powerful pistol.
It is however not an easy thing to find a red dot sight given the sea of products available on the market currently. If you are having a hard time finding the best red dot sights for Glock 20, here are the top-performing models to choose from. Let’s take a look.
1) Burris FastFire III 3 MOA Reflex Red Dot Sight
You just can’t go wrong with the Burris FastFire III 3 MOA Reflex Red Dot Sight. Adding this compact and lightweight red dot sight on the Glock 20 will not only increase your speed of target acquisition but also boost your precision in all environments.
The red dot sight has an aiming point of 3 MOA which is big enough to see in broad daylight and not obstruct the small targets. Furthermore, the brightness of the reticle is adjustable into three different levels for users to customize their shooting experience.
This red dot sight also has fully coated optics that increase light transmission and yield crisp views of the targets even in low-light settings.
Another feature that makes this optic one of the best red dot sights for Glock 20 is the solid construction. It is made from high-strength aluminum and anodized to be resistant to scratches and rust.
Additionally, the entire optic is waterproof and submersible to be usable even in adverse weather conditions.
Moreover, the sight comes with a Picatinny/Weaver rail mount for ease of installation. It is also built with a top battery compartment that enables battery change while the sight is still attached to the firearm.
The FastFire 3 is a force to be reckoned with among handgun red dot sights. Versatility and reliability augment its reputation among the best red dot sights for Glock 20. Mount this red dot sight and elevate the performance of your pistol.
Features
- 3 MOA red dot reticle
- 1 MOA impact point correction
- Fully coated optics
- Waterproof and submersible
- Anodized aluminum housing
- Picatinny/Weaver rail mount
- 90 MOA windage and elevation adjustment
Pros
- Ease of installation
- Bright and easy-to-spot red dot
- Affordable
- Great battery life
- Durable and reliable construction
Cons
- Bad battery cover design
2) Vortex Viper 1x24mm 6 MOA Red Dot Sight
Boost your target acquisition speed and refine your accuracy at close ranges with the help of Viper 1x24mm 6 MOA Red Dot Sight. Carrying the renowned and highly respected Vortex name, the red dot sight offers a perfect aiming solution for the Glock 20.
It is extremely lightweight to not add any weight to the handgun and compact for easy concealment. Mounting this red dot on your Glock 20 will create an efficient shooting solution for several applications.
Vortex built this red dot sight tough as a nail. It features a ruggedized aluminum housing that is tough enough to withstand recoil, impacts and rough handling. Dependability is one of the attributes that make this red dot one of the best red dot sights for Glock 20.
Besides, the entire body is waterproofed for use under all weather conditions and coated with a Type III hard anodized finish to be scratch-proof and corrosion-resistant.
Complementing the solid construction are fully multi-coated optics that maintain a clear field of view. On top of that, the sight boasts a wide field of view that maximizes target acquisition speed and unlimited eye relief to enhance the shooter’s situational awareness.
The other essential features included are adjustable illumination for the 6 MOA reticle, 120 MOA windage and elevation adjustment range and auto-shutdown that extends the sight’s battery life.
Features
- Fully multi-coated optics
- 6 MOA red dot reticle
- Single-piece chassis aluminum body
- 120 MOA windage and elevation adjustment range
- Unlimited eye relief
- 10 brightness settings
- Waterproof construction
- Type III hard anodized finish
Pros
- Large, easy-to-spot red dot
- Battery included
- Compact and ultra-lightweight design
- Easy to install and use
Cons
- Fragile
3) Trijicon RMRcc 3.25 MOA Red Dot Sight
If you are looking for a reliable optic get the Trijicon RMRcc Red Dot Sight and have the best sighting experience for your handgun. Built for use with concealed carry pistols, this red dot sight has a small and more streamlined design that maintains a low profile.
It is simple to shoot with and outstandingly accurate in virtually all weather and lighting conditions. Pairing your Glock 20 with this red dot will help you acquire targets quickly and precisely.
The red dot sight is designed for durability. It has a 7075-T6 aluminum housing that is shaped to direct the force of impact away from the lens to maximize durability.
Furthermore, both the housing and the tempered glass window are impact-resistant and waterproof to stand up to the rigors of use. To prevent accidental adjustments during use, the sight comes with a button lockout feature.
Furthermore, it has a crisp 3.25 MOA red dot that offers the greatest balance of precision and speed. This reticle has 8 different brightness settings including two settings that are night vision compatible.
Above all, the RMRcc 3.25 MOA Red Dot Sight has 3 MOA impact point correction and 150 MOA windage and elevation adjustment range to fine-tune accuracy. Trijicon RMRcc Red Dot Sight is surely one of the best red dot sights for Glock 20 to enhance your shooting ability.
Features
- Waterproof and submersible to 66’
- 25 MOA red dot reticle
- Ruggedized 7075-T6 aluminum housing
- Tempered glass window
- Snag-resistant design
- Wideband multi-coated lens
- 3 MOA impact point correction
Pros
- Compact size for concealed carry
- Multi-platform friendly
- Unrivaled durability
- Great battery life
- Compatible with night vision devices
Cons
- No mount included
4) Vortex Venom 1×26.5mm Red Dot Sight
As one of the best red dot sights for Glock 20, the Venom 1×26.5mm Red Dot Sight is loaded with a ton of features that make it match the versatility of this pistol.
It provides a clear point of aim in all environments and reduces the time a shooter takes to find and acquire targets.
The durability of this unmagnified sighting tool is incredible. It is built with aircraft-grade aluminum alloy which is durable and lightweight.
Additionally, the sight boasts a scratch-resistant Armortek glass sighting window that provides added protection in the field. It is also O-ring sealed against dust and moisture and built to be operable in temperatures ranging from -40 to 140℉.
In addition to having a well-built chassis, the red dot sight features XR anti-reflective lens coating that enhances light transmission to yield bright and crisp views of the targets.
Vortex also built the sight with a large 6 MOA red dot reticle that is easy to spot even for users with aging eyes.
Features
- 6 MOA red dot reticle
- XR anti-reflective lens coating
- Aerospace aluminum construction
- Unlimited eye relief
- Waterproof housing
- Parallax-free optics
Pros
- Crisp clear red dot
- Wide viewing window
- Sturdy and durable construction
- Great low-light visibility
Cons
- No drawbacks
5) Bushnell 1X25mm RXS-250 Reflex Sight
If you are on a budget, the Bushnell 1X25mm RXS-250 Reflex Sight suits you. Despite having a remarkably low price, this optic is outstanding in terms of quality, performance and durability.
The aiming point of this red dot sight is a 4 MOA dot that is large enough to spot easily in bright daylight. During use, the brightness level of the reticle can be adjusted into 10 different settings depending on the ambient lighting conditions. Besides, the sight has a big optic window that makes it easy for shooters to find both the reticle and the target.
Optically, the sight boasts multi-coated optics that increase light transmission and yield bright and crisp image views. Furthermore, the red dot sight has unlimited eye relief that increases situational awareness by enabling shooters to shoot with both eyes open.
In addition to everything else, the sight has an IP67 water-resistant rating that optimizes performance in all kinds of weather conditions.
Features
- 10 brightness settings
- 4 MOA dot reticle
- Multi-coated optic
- Weaver/Picatinny Mount
- IP67 water-resistant rating
- 1 MOA impact point correction
Pros
- Long battery life
- Inexpensive
- Ease of use
- Lightweight and accurate
Cons
- Mounting issues
6) Holosun HE509-RD Enclosed Solar Powered Red Dot Sight
The Holosun HE509-RD Red Dot Sight is developed to improve the precision and accuracy of handguns making it a prime choice for the Glock 20. This compact optic is optimized for pistols where it provides a large field of sight for quick target finding and acquisition.
A defining feature of this optic is the fully enclosed body made from high-strength aluminum. This design provides enhanced environmental protection and excellent resistance to shock and abrasion.
Moreover, the sight boasts an ACSS Vulcan reticle that offers stunning accuracy in all situations. The reticle is LED illuminated and has 12 brightness settings for shooters to choose from. Better yet, the lowest brightness settings are designed for use with night vision gear to make the optic more versatile.
Another impressive feature of this red dot sight is the lightweight design. It is built with a mere weight of 1.7oz so it will not add any extra bulk to the pistol. The red dot sight also features multi-coated optics to increase light transmission and cut glare.
With a litany of first-class features, the Holosun HE509 Red Dot Sight is arguably one of the best red dot sights for Glock 20. Expect brilliant performance and improved pistol performance with this red dot sight.
Features
- ACSS Vulcan reticle
- 12 brightness settings
- Unlimited eye relief
- Multi-coated optics
- Rugged aluminum enclosed housing
- 1 MOA impact point of correction
- Hard coat anodized finish
Pros
- Ultra-lightweight design
- Solid construction
- Compatible with night vision gear
- Battery included
Cons
- Pricey
7) SIG SAUER Romeo 1Pro 1x30mm Red Dot Sight
SIG SAUER Romeo 1Pro is another top-performing red dot sight that pairs well with the Glock 20. Mounting this compact sight on your pistol will fine-tune your shooting accuracy and make target acquisition rapid and effortless even in the most unforgiving shooting situations.
The red dot sight is built with a molded glass aspheric lens that is coated with solid lens coatings to increase light transmission and minimize glare. The result is bright and crisp clear image views even in low light environments.
Furthermore, the sight is built to last. It has a sturdy and lightweight aluminum housing that protects the delicate glass from damage during use. On top of that, the entire body is scratch-proof for greater protection in the field and IPX-7-rated against dust, dirt and moisture.
To ensure clear aiming in all lighting settings, this red dot sight boasts 12 adjustable brightness settings that keep the reticle optimally illuminated. Furthermore, the lowest settings are compatible with night vision devices to match the target background and maximize versatility.
Features
- TruHold Lockless zeroing system
- Rugged aircraft-grade ANC aluminum housing
- 12 brightness settings
- Ruggedized protective steel shroud
- Motion-activated illumination, MOTAC
- Molded glass aspheric lens
- IPX-7 water resistance rating
Pros
- Night vision-compatible settings
- Easy to mount and use
- Top battery access
- Holds zero well
Cons
- Not built for long-term use
8) Aimpoint ACRO P-2 Red Dot Reflex Sight
Lastly on our list of the best red dot sights for Glock 20 is the Aimpoint ACRO P-2 Red Dot Reflex Sight. The red dot sight uses high-end features and advanced technology to get shooters on target quickly and boost their precision in all environments.
This optic is compact but tough as a nail. It is ruggedly built to endure the physical abuse that comes with everyday use.
Additionally, it is scratch-proof to provide additional protection in the field, and waterproof for use in light showers, misty environments and any other precipitation.
Built with multi-coated optics, the sight yields spectacular sight pictures even in low light settings. Furthermore, it boasts unlimited eye relief that guarantees comfortable glassing and quick target finding.
Other than that, the sight comes with a variety of mounting options sold separately to ensure ease of installation.
What’s more, is that this user-friendly red dot sight features 10 brightness settings to ensure visibility in different lighting conditions. The 4 lowest light settings are night vision-compatible settings for use with night vision gear.
Features
- 5 MOA red dot
- High-strength aluminum housing
- Waterproof and shockproof
- 6 daylight and 4-night vision brightness settings
- Multi-coated optics
- Unlimited eye relief
- Scratch-proof anodized body
Pros
- Compact and lightweight construction
- Easy to use
- Long battery life
- Durable and rugged construction
Cons
- High cost
Related Posts
Best Red Dot Sights for Glock 20 Buyers Guide
If you are buying a red dot for the Glock 20 for the first time or not, here are the key points to consider when making your selection.
Reticle Size
The first feature to consider is the reticle size which is measured in MOA. Majorly, the shooting activity you use your pistol for determines the ideal reticle size.
Red dot sights with a smaller reticle of 4 MOA and below are the best for shooters who are after precision.
On the other hand, shooters with aging eyes will do better with a large 6 MOA reticle that is easier to spot than the smaller counterparts.
Weight
Glock 20 is a lightweight pistol that weighs 27.68 oz (785 g) without a magazine. With such a weight, you must find a red dot sight that is as light as possible. Anything big and bulky will make the pistol hard to conceal and shoot with.
Durability
You will want to get a red dot sight that is built for long-term use. Look at the quality of construction and opt for a device that is made from either magnesium alloy or aircraft-grade aluminum.
The best red dot sights for Glock 20 are also waterproof, fog resistant and shockproof to guarantee reliable performance in any environment.
Read: Best Walther Q5 Match Red Dot Sights
Battery
Look for a red dot sight that is powered by a long-lasting battery. That way, the sight won’t fail in the middle of use when you need it the most.
Such optics are also economical to run and maintain as you don’t have to keep getting new batteries for replacement.
Another important thing to also consider is the battery placement which can be on the side, top, or bottom of the optic.
Red dot sights with a top or side-loading battery compartment are the best as they allow for easy battery change without the need to remove the sight from the pistol.
Best Red Dot Sights for Glock 20 FAQs
Q: Is It Worth Putting a Red Dot on Glock 20?
Yes, it is. Adding a red dot sight on your Glock 20 will simplify your point of aim and fine-tune your shooting accuracy. The wide field of view that red dots provide will also boost your target acquisition speed and increase situational awareness.
Q: How Long Do Red Dots Last on Pistols?
If you are asking about the battery life, batteries in red dot sights have improved. You can easily find a model that lasts over 4 years on the lowest settings. Such optics are very economical to run and maintain.
On matters of durability, the lifespan of red dot sights varies depending on the quality of construction, how often it is used and the care and maintenance it is given.
Final Shot
Red dot sights have revolutionized how police and civilian shooters shoot with pistols. When properly used, they make a great addition to handguns and every shooter no matter their shooting skills. Hopefully, you have found the information on this post to be of great help and you are now able to find the right red dot sight for your Glock 20.