Finding the best laser sight for your Glock 20 can be a game-changer for your shooting accuracy and overall experience. The Glock 20, known for its power and versatility, deserves an accessory that enhances its capabilities without compromising its reliability.

After extensive research and testing, I've curated a list of top laser sights that perfectly complement the Glock 20. These selections are based on their performance, durability, ease of use, and user feedback. Here's a detailed look at the best laser sights for your Glock 20.

Top 7 Best Laser Sights for Glock 20 on the Market

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SureFire X400U-A⁠

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Streamlight TLR-8A Flex⁠

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Crimson Trace CMR-204⁠

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Viridian X5L Gen 3⁠

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OLIGHT Baldr Pro⁠

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TruGlo Micro-Tac⁠

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Ade Advanced Optics HG54G⁠

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Note: The following advice comes from my personal perspective. What works for me might not work for you, but hopefully it sparks some ideas!

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1. SureFire X400U-A - Laser Light Combo

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Specifications:

Laser Type: Red

Lumens: 1,000

Battery Type: 2 x CR123A

Weight: 4.9 oz

Runtime: 1.25 hours (laser and light simultaneously)

Best Features:

The SureFire X400U-A stands out with its combination of a powerful LED light and an integrated red laser. The light provides a blinding 1,000 lumens, making it ideal for both tactical applications and home defense. The laser ensures rapid target acquisition, which is crucial in high-stress situations.

Pros:

Extremely bright LED light

Durable construction

Easy to mount and adjust

Long battery life

Cons:

Higher price point

Slightly heavier than other options

Experience:

Using the SureFire X400U-A with my Glock 20 has been a revelation. The laser is precise and holds zero exceptionally well, while the flashlight's brightness turns night into day. The added weight is noticeable but manageable, making it a solid choice for those who prioritize performance over compactness.

Customer Comments:

Online reviews frequently praise the SureFire X400U-A for its robust build quality and reliable performance. Users appreciate the brightness of the flashlight and the accuracy of the laser, although some mention the higher cost as a potential drawback.

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2. Streamlight TLR-8A Flex - Laser Light Combo

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Specifications:

Laser Type: Red

Lumens: 500

Battery Type: CR123A

Weight: 2.64 oz

Runtime: 1.5 hours (light only), 11 hours (laser only)

Best Features:

The Streamlight TLR-8A Flex is known for its compact size and versatility. With a bright 500-lumen light and an integrated red laser, it offers a balanced performance. The ambidextrous switch makes it user-friendly for both right and left-handed shooters.

Pros:

Compact and lightweight

Easy to operate

Ambidextrous controls

Long laser runtime

Cons:

Laser adjustment can be tricky

Light could be brighter

Experience:

The Streamlight TLR-8A Flex is a fantastic addition to the Glock 20. Its compact size means it doesn’t add unnecessary bulk, and the controls are intuitive. The light is sufficiently bright for most scenarios, and the laser provides quick target acquisition.

Customer Comments:

Users generally love the TLR-8A Flex for its size and ease of use. The ambidextrous switch is a hit among left-handed shooters. Some users wish the flashlight was a bit brighter, but overall, it receives high marks for reliability and performance.

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3. Crimson Trace CMR-204 - Laser Light Combo

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Specifications:

Laser Type: Green

Lumens: 100

Battery Type: CR2

Weight: 2.72 oz

Runtime: 2 hours (light and laser simultaneously)

Best Features:

The Crimson Trace CMR-204 features a green laser, which is more visible in various lighting conditions compared to red lasers. This model also includes a 100-lumen LED light. The laser is adjustable for windage and elevation, making it highly customizable.

Pros:

Highly visible green laser

Adjustable for windage and elevation

Durable and lightweight

Easy installation

Cons:

Lower light output

Shorter battery life

Experience:

The green laser on the Crimson Trace CMR-204 is incredibly bright and easy to see, even during daylight hours. The light is not as powerful as others, but it serves well in low-light conditions. Its lightweight design doesn't affect the handling of the Glock 20.

Customer Comments:

Crimson Trace CMR-204 users rave about the visibility of the green laser. The adjustability is a significant advantage, though some wish for a brighter flashlight. Overall, it’s highly regarded for its laser performance.

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4. Viridian X5L Gen 3 - Laser Light Combo

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Specifications:

Laser Type: Green

Lumens: 500 (constant), 600 (strobe)

Battery Type: 1 x CR123A

Weight: 3.3 oz

Runtime: 1.5 hours (laser and light)

Best Features:

The Viridian X5L Gen 3 boasts a powerful green laser and a 600-lumen strobe light, making it ideal for disorienting attackers and acquiring targets quickly. It features multiple light modes and an automatic activation system when drawn from a holster.

Pros:

Bright strobe light

Highly visible green laser

Automatic activation

Multiple light modes

Cons:

Complex controls

Battery life could be better

Experience:

Using the Viridian X5L Gen 3 has been impressive. The strobe function is a game-changer for defensive scenarios, and the green laser is easily visible. However, the controls take some time to master, and battery life is shorter due to the powerful light.

Customer Comments:

Customers appreciate the strobe light and the automatic activation feature. The green laser is well-liked for its visibility, though the learning curve for the controls is noted. Users feel it’s a high-quality product that enhances their Glock 20.

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5. OLIGHT Baldr Pro - Laser Light Combo

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Specifications:

Laser Type: Green

Lumens: 1,350

Battery Type: 2 x CR123A

Weight: 4.55 oz

Runtime: 1.5 hours (light and laser)

Best Features:

The OLIGHT Baldr Pro is a beast with its 1,350-lumen light and a green laser. It offers excellent visibility and rapid target acquisition. The robust construction ensures it can handle the recoil of the Glock 20, and the quick detach mount makes it easy to install and remove.

Pros:

Extremely bright light

Durable and robust

Quick detach mount

Highly visible green laser

Cons:

Bulky

Shorter battery life

Experience:

The OLIGHT Baldr Pro is one of the brightest options available, and it shows in its performance. The green laser is sharp and clear, and the flashlight can illuminate large areas. It is bulkier, which might not suit everyone, but the quick detach feature is very convenient.

Customer Comments:

Users are consistently impressed with the brightness of the OLIGHT Baldr Pro. The green laser receives high praise for its clarity, but some note the bulkiness as a downside. Overall, it’s valued for its exceptional performance and ease of use.

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6. TruGlo Micro-Tac

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Specifications:

Laser Type: Green or Red

Lumens: N/A

Battery Type: 1 x CR1/3N

Weight: 1.2 oz

Runtime: Up to 5 hours

Best Features:

The TruGlo Micro-Tac is an ultra-compact laser sight that doesn’t add much weight or bulk to the Glock 20. It’s available in both green and red laser options, offering flexibility based on user preference. The ambidextrous on/off switch makes it user-friendly.

Pros:

Extremely compact and lightweight

Available in green and red

Ambidextrous switch

Long battery life

Cons:

No light option

Limited adjustability

Experience:

The TruGlo Micro-Tac is perfect for those who want a minimalistic laser sight. Its small size means it doesn’t interfere with the handling of the Glock 20, and the laser itself is precise. However, the lack of a flashlight might be a drawback for some users.

Customer Comments:

Feedback for the TruGlo Micro-Tac is generally positive, with users loving its compact size and ease of use. The choice between green and red lasers is appreciated, although some wish it had an integrated flashlight.

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7. Ade Advanced Optics HG54G

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Specifications:

Laser Type: Green

Lumens: N/A

Battery Type: CR2

Weight: 1.4 oz

Runtime: 1.5 hours

Best Features:

The Ade Advanced Optics HG54G offers a bright green laser in a compact package. It’s designed for quick installation and is lightweight, ensuring it doesn’t affect the balance of the Glock 20. The laser is adjustable for windage and elevation.

Pros:

Bright green laser

Lightweight and compact

Easy to install

Adjustable for windage and elevation

Cons:

No flashlight

Shorter battery life

Experience:

The HG54G’s green laser is bright and clear, making it easy to acquire targets. Its compact design is a plus, and it’s straightforward to install. The lack of a flashlight might be a downside for some, but as a pure laser sight, it performs admirably.

Customer Comments:

Users appreciate the brightness and clarity of the HG54G’s green laser. The ease of installation and lightweight design are frequently mentioned. Some users, however, miss having a flashlight integrated into the unit.

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How to Choose the Best Laser Sight for Your Glock 20

When selecting a laser sight for your Glock 20, there are several factors to consider:

1. Laser Color:

Red Lasers: More common and generally more affordable. They work well in low-light conditions but can be harder to see in bright daylight.

Green Lasers: More visible in all lighting conditions, but usually come at a higher price point and may consume more battery.

2. Light Integration:

Many laser sights come with an integrated flashlight. If you plan to use your Glock 20 for home defense or in low-light scenarios, a combination laser/flashlight can be extremely useful.

3. Mounting and Adjustability:

Ensure the laser sight can be easily mounted on your Glock 20 and that it offers adjustability for windage and elevation. This allows you to fine-tune the laser for precision accuracy.

4. Size and Weight:

Consider the size and weight of the laser sight. A bulky laser sight might affect the handling and balance of your Glock 20, while a compact one will maintain its natural feel.

5. Battery Life:

Check the battery life, especially if you plan on using the laser sight frequently. Some models offer longer battery life but may have a lower light output.

6. Ease of Use:

Look for laser sights with intuitive controls, preferably ambidextrous if you're left-handed. Quick detach features can also be beneficial for easy installation and removal.

7. Durability:

Ensure the laser sight is built to withstand the recoil of the Glock 20 and is made from durable materials that can handle rough conditions.

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