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Top 7 Best Laser Sights for Glock 27 of 2024

The Glock 27 is a popular subcompact handgun renowned for its reliability and versatility. Adding a laser sight can significantly enhance accuracy and target acquisition, especially in low-light conditions. With a plethora of options on the market, it can be challenging to choose the best laser sight for your Glock 27.
In this article, I will review some of the top laser sights available, considering their specifications, features, pros, cons, and user experiences to help you make an informed decision.

Top 7 Best Laser Sights for Glock 27 on the Market

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

1. Streamlight TLR-6 - Laser Light Combo

Streamlight TLR-6.png
Specifications
Laser Color: Red
Battery Life: 1 hour (light and laser), 11 hours (laser only)
Weight: 1.27 oz
Material: Impact-resistant polymer
Waterproof: IPX4
Best Features
Integrated flashlight and laser
Easy installation without requiring tools
Ambidextrous switching for ease of use
Pros
Lightweight and compact design
High visibility red laser
Durable and reliable construction
Cons
Shorter battery life compared to some competitors
Limited waterproof rating
Experience and Fit for Glock 27
The Streamlight TLR-6 is a popular choice for Glock 27 owners due to its integrated flashlight and laser. Its compact size fits the subcompact frame perfectly without adding excessive bulk. The ambidextrous switch makes it easy to operate, and the laser provides excellent visibility. However, the battery life could be better, especially if you plan to use the flashlight frequently.
Online Customer Comments
Many users praise the TLR-6 for its easy installation and precise laser alignment. Some have noted that the battery life is somewhat limited, but the overall performance and build quality receive high marks.

2. Crimson Trace LG-639

Crimson Trace LG-639.png
Specifications
Laser Color: Red
Battery Life: Over 4 hours
Weight: 0.5 oz
Material: Polymer
Waterproof: Yes
Best Features
Instinctive activation via grip
Adjustable windage and elevation
Compact and lightweight
Pros
Intuitive activation system
Durable and lightweight
Excellent battery life
Cons
Higher price point
Laser may need frequent adjustments
Experience and Fit for Glock 27
The Crimson Trace LG-639 stands out for its instinctive activation system, which turns the laser on when you grip the gun. This feature is incredibly convenient in high-stress situations where every second counts. The laser's compact design ensures it doesn't interfere with the gun's handling, making it a natural fit for the Glock 27.
Online Customer Comments
Users frequently highlight the ease of use and the instinctive activation as significant advantages. Some users mention the laser needing occasional adjustments, but overall, the product is well-received for its reliability and performance.

3. OLIGHT Baldr Mini - Laser Light Combo

OLIGHT Baldr Mini.png
Specifications
Laser Color: Green
Battery Life: 1 hour
Weight: 3.07 oz
Material: Aluminum alloy
Waterproof: IPX4
Best Features
Integrated green laser and white LED light
Magnetic USB charging
Quick-release mounting system
Pros
Bright and powerful green laser
Easy and quick to attach/detach
Durable and high-quality build
Cons
Slightly heavier compared to other models
Limited battery life with continuous use
Experience and Fit for Glock 27
The OLIGHT Baldr Mini is an excellent choice for those looking for a powerful laser and light combination. The green laser is highly visible in various lighting conditions, and the magnetic charging system is a convenient feature. Although slightly heavier, its quick-release mount makes it easy to attach and detach, ensuring versatility for the Glock 27.
Online Customer Comments
Users appreciate the Baldr Mini for its bright laser and convenient charging method. The quick-release feature is also highly praised, though some users wish for a longer battery life.

4. Viridian Reactor R5 Gen 2

Viridian Reactor R5 Gen 2.png
Specifications
Laser Color: Green
Battery Life: 1 hour continuous
Weight: 0.78 oz
Material: High-strength polymer
Waterproof: No
Best Features
ECR Instant-On technology
Compact and lightweight design
High visibility green laser
Pros
Instant activation with the holster draw
Lightweight and low-profile
Very bright green laser
Cons
Battery life could be better
Not waterproof
Experience and Fit for Glock 27
The Viridian Reactor R5 Gen 2 offers a unique feature with its Instant-On technology, which activates the laser as soon as you draw the gun from the holster. This feature is particularly beneficial in self-defense scenarios where speed is crucial. Its compact and lightweight design makes it a great fit for the Glock 27, though it lacks waterproofing.
Online Customer Comments
Many users love the Instant-On feature and the bright green laser. Some, however, note that the battery life can be a limitation, especially with frequent use.

5. ArmaLaser TR5

ArmaLaser TR5.png
Specifications
Laser Color: Red
Battery Life: Up to 5 hours
Weight: 1.2 oz
Material: DuPont Zytel polymer
Waterproof: No
Best Features
Touch-activated sensor
Adjustable windage and elevation
Long battery life
Pros
Very user-friendly activation
Durable construction
Good battery life
Cons
Not waterproof
Red laser less visible in bright light
Experience and Fit for Glock 27
The ArmaLaser TR5 is designed with ease of use in mind. The touch-activated sensor ensures the laser turns on as soon as you grip the gun, providing immediate target acquisition. Its durable build and long battery life make it a reliable companion for the Glock 27, though it lacks waterproof features.
Online Customer Comments
Users appreciate the touch activation and durable design. The red laser performs well in various conditions, though some users mention it can be less visible in very bright environments.

6. SureFire XC2 - Laser Light Combo

SureFire XC2.png
Specifications
Laser Color: Red
Battery Life: 45 minutes (light and laser)
Weight: 1.9 oz
Material: Aerospace aluminum
Waterproof: IPX4
Best Features
Compact and lightweight design
Integrated laser and LED light
Ambidextrous switching
Pros
High-quality construction
Lightweight and low-profile
Bright LED light and visible laser
Cons
Short battery life
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