After extensively testing various models and diving deep into community feedback, I have compiled a list of the top red dot sights perfectly suited for the Glock 20.

MY CHOICE 👇

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Trijicon RMR Type 2⁠

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Vortex Venom⁠

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HOLOSUN 507C⁠

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Burris FastFire 3⁠

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Note: This article reflects my personal opinions. While the products mentioned may not be perfect for everyone, they might be useful for some readers.

1. Trijicon RMR Type 2

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Specifications

Magnification: 1x

Lens Size: 22x16mm

Weight: 1.2 oz with battery

Battery Life: Up to 4 years at setting 4 of 8

Water Resistance: Up to 20 meters

Best Features

The Trijicon RMR Type 2 is renowned for its durability and the ability to withstand heavy recoil, making it an ideal match for the robust Glock 20. It features a patented design that absorbs impact and diverts stress away from the lens, increasing its durability.

Pros

Exceptionally rugged and durable

Bright and clear optic that enhances target visibility

Automatic brightness settings with manual override options

Cons

Premium pricing may be a barrier for some

Smaller window size may not appeal to all shooters

Experience and Customer Comments

Mounting the Trijicon RMR Type 2 on my Glock 20 transformed the pistol into an even more reliable tool for both hunting and self-defense. Its robust construction handled the 10mm recoil without any issues. Online comments often highlight its reliability and longevity, though some shooters mention the high cost as a significant investment.

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See More & Go to The Seller With The Best Price⁠

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2. Vortex Optics Venom

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Specifications

Magnification: 1x

Lens Size: 26.5mm

Weight: 1.1 oz

Battery Life: Up to 150 hours on the highest setting, 30,000 hours on lower settings

Water Resistance: Waterproof

Best Features

The Vortex Optics Venom offers a large and clear lens, facilitating a quick sight picture and easy target acquisition. The top-load battery design ensures that you don’t need to remove the sight from the firearm to change the battery.

Pros

Wide field of view with a high-quality lens

Easy to access and replace the battery

Affordable price with an excellent warranty

Cons

Battery life on the highest setting is relatively short

Some reports of sensitivity to extreme weather conditions

Experience and Customer Comments

Using the Vortex Venom on my Glock 20 has been a pleasure, especially during extended shooting sessions. The wide lens and clear display significantly aid in quick targeting. The online community frequently praises its ease of use and customer service, though there are occasional concerns about its performance in very cold or wet conditions.

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See More & Go to The Seller With The Best Price⁠

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3. Holosun HS507C X2

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Specifications

Magnification: 1x

Lens Size: Not specified

Weight: 1.5 oz

Battery Life: Up to 50,000 hours

Water Resistance: Water-resistant

Best Features

The Holosun HS507C X2 stands out with its Solar Failsafe and Multi-Reticle System (MRS), allowing users to select between a dot only, ring only, or a dot and ring combination, enhancing versatility for different shooting scenarios.

Pros

Long battery life and solar backup for reliability

Multiple reticle options cater to various preferences and situations

Robust build quality suited for rugged use

Cons

Complexity of the reticle system might be overwhelming for beginners

Solar panel effectiveness can vary in different lighting conditions

Experience and Customer Comments

The Holosun HS507C X2 has proven to be a robust and versatile sight on my Glock 20. The ability to switch between different reticles makes it adaptable to both hunting and tactical situations. Users in forums often commend its innovative features and reliability, though some find the multiple reticle options unnecessary and prefer simpler sights.

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See More & Go to The Seller With The Best Price⁠

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4. Burris FastFire III

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Specifications

Magnification: 1x

Dot Size: 3 MOA or 8 MOA

Weight: 0.9 oz

Battery Life: Up to 5,000 hours

Water Resistance: Waterproof

Best Features

The Burris FastFire III is known for its lightweight design and ease of use, featuring an automatic brightness sensor and a high-quality lens that provides a clear view of the target.

Pros

Lightweight and compact, maintaining the firearm’s balance

Easy installation and operation

Good optical clarity with automatic brightness adjustment

Cons

Shorter battery life compared to other models

Some durability concerns under extensive rough use

Experience and Customer Comments

The FastFire III has been a reliable red dot sight on my Glock 20, particularly valued for its simplicity and effectiveness in quick target acquisition. It’s popular in online forums for its performance and ease of use, although some users question its ruggedness after prolonged heavy use.

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See More & Go to The Seller With The Best Price⁠

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How to Choose the Best Red Dot for Glock 20?

Choosing the best red dot sight for a Glock 20 requires considering several factors to ensure compatibility, durability, and performance. Here’s a guide to help you make an informed decision:

1. Mounting Compatibility

MOS Compatibility: Ensure the red dot sight is compatible with the Glock MOS (Modular Optic System) if your Glock 20 has this feature.

Mounting Plates/Adapters: Check if you need a specific mounting plate or adapter for non-MOS models.

2. Size and Weight

Compact Design: A compact and lightweight design is crucial to maintain the balance and handling of the Glock 20.

Low Profile: A low-profile sight minimizes snags and enhances concealability.

3. Durability

Build Quality: Look for sights made from robust materials like aluminum or steel.

Waterproof and Shockproof: Ensure the sight is rated for waterproof and shockproof performance to withstand harsh conditions and recoil.

4. Battery Life

Long Battery Life: Opt for red dot sights with long battery life, preferably with auto-shutoff features to conserve power.

Common Battery Types: Sights using readily available batteries (e.g., CR2032) are more convenient.

5. Reticle Options

Reticle Size: A 3 MOA or 6 MOA dot is common. Smaller dots offer more precision, while larger dots are easier to see quickly.

Brightness Settings: Multiple brightness settings, including night vision compatibility, can be beneficial for various lighting conditions.

6. Field of View

Wide Field of View: A larger window allows for quicker target acquisition and better situational awareness.

7. Reputation and Reviews

Brand Reliability: Choose from reputable brands known for quality and customer support, such as Trijicon, Leupold, Holosun, and Vortex.

User Reviews: Look at user reviews and ratings to gauge real-world performance and reliability.

8. Price

Budget: Determine your budget, balancing cost with the features and durability you need.

Warranty: A good warranty can provide peace of mind and protect your investment.

Conclusion

Choosing the best red dot sight for the Glock 20 involves balancing factors like durability, ease of use, battery life, and how well the sight enhances the shooting experience.

Each of these red dot sights offers unique advantages that can significantly improve the performance of the Glock 20, whether it's for hunting, competitive shooting, or self-defense.

From the rugged Trijicon RMR Type 2 to the versatile Holosun HS507C X2, there’s a sight here to meet every shooter's needs and preferences.

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