As a Glock 42 owner, I know the importance of having a reliable laser sight to enhance shooting accuracy and target acquisition. The Glock 42, being a compact and versatile firearm, requires a laser that complements its lightweight design while providing superior performance. I have tested and reviewed several laser sights and narrowed down the top choices that are perfect for this model.

In this article, I’ll share my insights on the best laser sights for the Glock 42, detailing their specifications, best features, pros, cons, and user experiences. Additionally, I’ll provide a comprehensive guide on how to choose the best laser for your Glock 42 and answer some frequently asked questions.

Top 6 Best Laser Sights For Glock 42 on the Market

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Streamlight TLR-6⁠

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Crimson Trace LG-422⁠

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Viridian Reactor R5 Gen 2⁠

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OLIGHT Baldr Mini⁠

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ArmaLaser TR5⁠

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Tacticon Firefly V2⁠

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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. Streamlight TLR-6 - Laser Light Combo

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Specifications

Laser Type: Red laser

Battery: 2 CR1/3N lithium batteries

Runtime: 1 hour

Weight: 1.27 oz (with batteries)

Material: Impact-resistant polymer

Best Features

The Streamlight TLR-6 is designed specifically for subcompact handguns like the Glock 42. It combines a red aiming laser with an LED light, offering a dual-purpose solution. Its ambidextrous operation and tool-less battery replacement make it user-friendly and convenient.

Pros

Lightweight and compact

Easy to install and remove

Dual functionality (laser and light)

Ambidextrous activation

Affordable price

Cons

Short battery life

Limited brightness in daylight

Experience

Using the Streamlight TLR-6 on my Glock 42 was a game-changer. The compact design fits perfectly without adding bulk, and the laser greatly improved my accuracy during low-light conditions. However, I had to carry spare batteries due to the relatively short runtime.

Customer Comments

Many users praise the TLR-6 for its perfect fit and easy installation. Some have noted the short battery life but appreciate the overall performance and reliability.

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2. Crimson Trace LG-422

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Specifications

Laser Type: Red laser

Battery: 2 2032 lithium batteries

Runtime: 4 hours

Weight: 0.5 oz

Material: Polymer

Best Features

The Crimson Trace LG-422 features instinctive activation, turning on the laser when the firearm is gripped. This immediate activation is ideal for defensive situations. It’s designed to seamlessly integrate with the Glock 42's trigger guard, ensuring a snug fit.

Pros

Instinctive activation

Long battery life

Durable construction

No need for additional switches

Cons

Only available in red laser

Higher price point

Experience

The instinctive activation feature of the LG-422 is incredibly intuitive, making it ready to use in any situation. The long battery life means fewer changes and more reliability. This laser sight blends seamlessly with the Glock 42, maintaining its sleek profile.

Customer Comments

Users love the instinctive activation and the seamless fit with the Glock 42. Some wish it came with a green laser option, but overall, the feedback is overwhelmingly positive regarding performance and ease of use.

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3. Viridian Reactor R5 Gen 2

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Specifications

Laser Type: Green laser

Battery: 1/3N lithium battery

Runtime: Up to 1 hour

Weight: 0.78 oz

Material: Polymer

Best Features

The Viridian Reactor R5 Gen 2 stands out with its bright green laser, which is visible in all lighting conditions. The included ECR (Enhanced Combat Readiness) holster automatically activates the laser when drawn, ensuring it's ready when you need it.

Pros

Highly visible green laser

Automatic activation with ECR holster

Compact and lightweight

Simple installation

Cons

Shorter battery life

Higher price range

Experience

The green laser of the Viridian Reactor R5 Gen 2 was impressively bright and easy to see in daylight. The automatic activation with the ECR holster is a fantastic feature for quick deployment. However, the battery life required me to keep spares handy.

Customer Comments

Users appreciate the bright green laser and the automatic activation feature. Some mention the frequent battery changes but still recommend it for its visibility and quick readiness.

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4. OLIGHT Baldr Mini - Laser Light Combo

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Specifications

Laser Type: Green laser

Battery: Built-in rechargeable

Runtime: 40 minutes

Weight: 3.07 oz

Material: Aluminum alloy

Best Features

The OLIGHT Baldr Mini combines a powerful green laser with an LED light, offering dual functionality. It’s rechargeable, eliminating the need for battery replacements. The quick detach mount and adjustable rail make it versatile and easy to use.

Pros

Rechargeable battery

Dual functionality (laser and light)

Quick detach mount

Adjustable rail for various positions

Cons

Heavier compared to other models

Limited runtime

Experience

The OLIGHT Baldr Mini's green laser is bright and effective in various lighting conditions. The built-in rechargeable battery is convenient, though I had to ensure it was charged before use. The quick detach mount and adjustable rail provided flexibility in positioning.

Customer Comments

Users enjoy the brightness of both the laser and the light. The rechargeable feature is highly appreciated, though some mention the weight as a minor drawback.

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5. ArmaLaser TR5

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Specifications

Laser Type: Red laser

Battery: 1 3V CR1/3N lithium battery

Runtime: 2 hours

Weight: 1.2 oz

Material: DuPont Zytel polymer

Best Features

The ArmaLaser TR5 is designed specifically for the Glock 42, featuring touch-activated technology for immediate laser activation. Its durable construction and easy installation make it a reliable choice for everyday carry.

Pros

Touch-activated for instant use

Durable and lightweight

Easy installation

Affordable price

Cons

Only available in red laser

Shorter runtime

Experience

The touch activation of the ArmaLaser TR5 was responsive and reliable. Its lightweight design didn’t add bulk to my Glock 42, and the installation was straightforward. While the runtime could be longer, the performance was consistently good.

Customer Comments

Users commend the TR5 for its ease of use and reliable activation. The affordability is a significant plus, though some desire a green laser option for better visibility.

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6. Tacticon Firefly V2 - Laser Light Combo

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Specifications

Laser Type: Green laser

Battery: 1 rechargeable lithium-ion battery

Runtime: 6 hours

Weight: 1.6 oz

Material: Aluminum

Best Features

The Tacticon Firefly V2 offers a bright green laser and includes a rechargeable battery with a long runtime. Its rugged aluminum construction ensures durability, and the easy activation switch is user-friendly.

Pros

Long battery life

Rechargeable

Durable construction

Easy activation

Cons

Slightly bulkier

Laser adjustment can be tricky

Experience

The Tacticon Firefly V2 impressed me with its long battery life and bright green laser. The rechargeable feature is convenient, and the durable construction gives confidence in its longevity. Adjusting the laser took some effort, but once set, it remained accurate.

Customer Comments

Users appreciate the long battery life and robust build quality. Some have noted the adjustment process as a bit challenging but overall find it to be a reliable and powerful laser sight.

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How to Choose the Best Laser Sight for Glock 42

Laser Type

The first consideration is the type of laser. Red lasers are generally more affordable and perform well in low-light conditions. Green lasers are brighter and more visible in daylight but are usually more expensive and consume more battery power.

Battery Life

Battery life is crucial, especially if you plan to use your laser sight frequently. Consider whether you prefer a model with replaceable batteries or a rechargeable option. Models with longer battery life reduce the need for frequent changes or recharges.

Activation Method

Different laser sights offer various activation methods, such as instinctive activation, touch activation, or manual switches. Choose one that fits your shooting style and comfort.

Size and Weight

Since the Glock 42 is a compact firearm, the laser sight should complement its size without adding significant bulk or weight. Lightweight and compact designs are preferable for maintaining the balance and ease of handling.

Ease of Installation

Look for laser sights that are easy to install and remove without requiring special tools. Quick detach mounts and adjustable rails can enhance the versatility and convenience of your laser sight.

Durability

A durable laser sight made from high-quality materials ensures longevity and reliability. Consider models made from impact-resistant polymers or rugged aluminum.

FAQs

Q: Can I use any laser sight on my Glock 42? A: No, it’s essential to choose a laser sight designed to fit the Glock 42 or subcompact handguns. Compatibility ensures proper fit and function.

Q: Are green lasers better than red lasers? A: Green lasers are brighter and more visible in daylight, but they tend to be more expensive and have shorter battery life. Red lasers perform well in low-light conditions and are generally more affordable.

Q: How do I install a laser sight on my Glock 42? A: Most laser sights come with detailed instructions and tools for installation. Generally, you’ll need to attach the sight to the trigger guard or rail and secure it according to the manufacturer’s guidelines.

Q: How often should I replace the batteries in my laser sight? A: Battery replacement depends on the model and usage. Check the manufacturer’s specifications for battery life and replace or recharge the batteries as needed to ensure consistent performance.

Q: Are laser sights legal for use on handguns? A: Yes, laser sights are legal for use on handguns in most regions. However, it’s essential to check local laws and regulations to ensure compliance.

Conclusion

Choosing the best laser sight for your Glock 42 involves considering various factors like laser type, battery life, activation method, size, and durability. The products reviewed here—Streamlight TLR-6, Crimson Trace LG-422, Viridian Reactor R5 Gen 2, OLIGHT Baldr Mini, ArmaLaser TR5, and Tacticon Firefly V2—are top contenders that offer reliable performance and features suited for the Glock 42. Whether you prioritize brightness, battery life, or ease of use, there’s a laser sight on this list that will enhance your shooting accuracy and overall experience.

Top 6 Best Laser Sights For Glock 42 on the Market

1. Streamlight TLR-6 - Laser Light Combo

2. Crimson Trace LG-422

3. Viridian Reactor R5 Gen 2

4. OLIGHT Baldr Mini - Laser Light Combo

5. ArmaLaser TR5

6. Tacticon Firefly V2 - Laser Light Combo

How to Choose the Best Laser Sight for Glock 42

FAQs

Conclusion

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