The FN 5.7 pistol is renowned for its lightweight design, high velocity, and precision. To enhance its performance, many enthusiasts look for the best laser attachments. After testing various products and considering user reviews, I’ve shortlisted the top five laser sights that perfectly complement the FN 5.7. Here’s a detailed review of each, complete with specifications, features, pros, cons, and personal experiences.

Top 5 Best Laser Sights for FN 5.7 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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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 Color: Red

Lumens: 1,000

Battery Type: 2 CR123A

Runtime: 1.25 hours

Weight: 4.9 oz

Material: Aluminum

Best Features:

High Lumen Output: The X400U-A produces a blinding 1,000 lumens, providing excellent visibility in low-light conditions.

Durability: Constructed from high-strength aerospace aluminum with Mil-Spec hard anodizing.

Integrated Laser Sight: Enhances accuracy, especially in fast-paced or high-stress situations.

Pros:

Exceptional Brightness: Perfect for tactical situations.

Robust Build: Can withstand harsh environments.

User-Friendly: Easy to mount and operate.

Cons:

Pricey: One of the more expensive options on the market.

Battery Life: Limited runtime compared to some competitors.

Experience:

Using the SureFire X400U-A on the FN 5.7 was a game-changer. The sheer brightness of the 1,000-lumen light was impressive, making it ideal for both indoor and outdoor use. The red laser was precise, improving my accuracy significantly during rapid-fire sessions.

Online Customer Comments:

Customers appreciate the X400U-A for its unmatched brightness and build quality. Some users mentioned the high price but felt it was justified given the performance and durability.

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

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Specifications:

Laser Color: Red or Green

Lumens: 500

Battery Type: CR123A

Runtime: 1.5 hours

Weight: 2.64 oz

Material: Aluminum

Best Features:

Compact Design: Doesn’t add much bulk to the FN 5.7.

Ambidextrous Operation: Easy to use for both left and right-handed shooters.

Multiple Light Modes: Includes laser-only, light-only, and laser/light combination modes.

Pros:

Versatile: Suitable for a variety of applications.

Lightweight: Doesn’t affect the balance of the firearm.

Affordable: Competitive pricing for the features offered.

Cons:

Lower Lumen Output: Not as bright as some other models.

Limited Battery Life: Could be longer for extended use.

Experience:

The Streamlight TLR-8A Flex was a pleasant surprise. Its compact size meant it didn’t hinder the maneuverability of the FN 5.7. The green laser was particularly visible in daylight, which is a significant advantage.

Online Customer Comments:

Many users praised the TLR-8A Flex for its compact design and ease of use. Some noted that the lumen output, while sufficient, is lower than some other models, but appreciated the balance between size and functionality.

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3. Crimson Trace CMR-204 - Laser Light Combo

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Specifications:

Laser Color: Green

Lumens: 100

Battery Type: CR2

Runtime: 2 hours (laser), 1 hour (light)

Weight: 2.4 oz

Material: Polymer

Best Features:

Green Laser: Highly visible in various lighting conditions.

Instant Activation: Features a secure lock and instant activation.

Adjustable Rail: Compatible with a wide range of firearms, including the FN 5.7.

Pros:

High Visibility: Green laser is easier to see in daylight.

Durable: Made from robust materials.

Long Battery Life: Efficient power usage.

Cons:

Limited Light Output: Only 100 lumens.

Polymer Construction: Less durable than aluminum options.

Experience:

The Crimson Trace CMR-204 stood out for its green laser, which was incredibly easy to see in various environments. The light output, though lower, was adequate for close-quarters situations. Its instant activation feature ensured it was ready when needed.

Online Customer Comments:

Customers love the visibility of the green laser and the compact design. Some wished for a higher lumen output but overall found it an excellent value for the price.

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4. Viridian X5L Gen 3 - Laser Light Combo

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Specifications:

Laser Color: Green

Lumens: 500

Battery Type: CR123A

Runtime: 1 hour (laser and light)

Weight: 3.3 oz

Material: Aluminum

Best Features:

Strobe Mode: Can disorient an opponent.

Auto-On Feature: Activates automatically when drawn.

Water-Resistant: Suitable for various conditions.

Pros:

High-Tech Features: Auto-on and strobe are very practical.

Robust Design: Built to last.

Versatile: Suitable for tactical and home defense.

Cons:

Shorter Runtime: 1-hour combined usage is on the lower end.

Weight: Slightly heavier than some alternatives.

Experience:

The Viridian X5L Gen 3 was impressive with its high-tech features. The auto-on function was particularly useful, ensuring the laser and light were ready the moment I drew my FN 5.7. The strobe mode added an extra layer of functionality, making it a versatile addition to my arsenal.

Online Customer Comments:

Users are generally enthusiastic about the X5L’s auto-on feature and robust build. The primary complaint was the shorter battery life, but the overall performance received high marks.

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5. OLIGHT Baldr Pro - Laser Light Combo

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Specifications:

Laser Color: Green

Lumens: 1,350

Battery Type: 2 CR123A

Runtime: 1.5 hours

Weight: 4.55 oz

Material: Aluminum

Best Features:

High Lumen Output: One of the brightest options available.

Dual Switch Operation: Easy to switch between modes.

Magnetic Charging: Convenient recharging process.

Pros:

Super Bright: Ideal for any lighting condition.

Durable Build: Made from strong aluminum.

Easy to Use: User-friendly interface.

Cons:

Bulky: Larger than some other models.

Expensive: Higher price point.

Experience:

The OLIGHT Baldr Pro was nothing short of extraordinary. The 1,350-lumen output provided unparalleled brightness, making it suitable for a wide range of scenarios. The green laser was highly visible, and the magnetic charging was a convenient touch.

Online Customer Comments:

Customers rave about the brightness and build quality of the Baldr Pro. Some found it a bit bulky for everyday carry but felt the performance justified the size.

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Laser Light Combo for FN 5.7

1. SureFire X400U-A-GN

This combination offers a green laser and a powerful 1,000-lumen light. It’s perfect for those who need high visibility in various lighting conditions.

2. Streamlight TLR-8A G Flex

Combining a green laser with a 500-lumen light, this option is compact and versatile, ideal for both tactical use and home defense.

3. OLIGHT Baldr Pro R

Featuring a green laser and a whopping 1,350 lumens, this combo is great for users who need maximum brightness and laser visibility.

How to Choose the Best Laser Sight for FN 5.7

Laser Color

Red Lasers: More affordable, good for low-light conditions.

Green Lasers: Higher visibility in daylight, slightly more expensive.

Light Output

Lumens: Higher lumens provide better visibility. Choose according to your typical usage environment.

Battery Life

Runtime: Consider how long you need the laser and light to last during use. More intensive users might prefer longer battery life.

Build Quality

Material: Aluminum is more durable but heavier. Polymer is lighter but less robust.

Additional Features

Modes: Look for additional modes like strobe or instant activation based on your needs.

Mounting Options: Ensure the laser is easy to mount and compatible with your FN 5.7.

FAQs

Q1: Why do I need a laser for my FN 5.7?

A: Lasers improve accuracy, especially in high-stress or low-light situations, making it easier to acquire targets quickly.

Q2: Are green lasers better than red lasers?

A: Green lasers are generally more visible in various lighting conditions, but they can be more expensive. Choose based on your visibility needs and budget.

Q3: How do I mount a laser on my FN 5.7?

A: Most lasers come with mounting instructions and are designed to fit standard rail systems on the FN 5.7.

Q4: Can I use a laser in conjunction with other optics?

A: Yes, lasers can complement other optics like red dot sights, providing additional accuracy and target acquisition speed.

Q5: How do I maintain my laser sight?

A: Regularly check the batteries, clean the lens, and ensure the mounting is secure. Follow the manufacturer's maintenance instructions for optimal performance.

Conclusion

Choosing the best laser for your FN 5.7 depends on your specific needs, whether it’s for home defense, tactical situations, or general shooting accuracy. The SureFire X400U-A, Streamlight TLR-8A Flex, Crimson Trace CMR-204, Viridian X5L Gen 3, and OLIGHT Baldr Pro are all excellent choices, each offering unique features that enhance the performance of the FN 5.7. Consider your requirements, budget, and preferences to select the perfect laser sight for your firearm.

Top 5 Best Laser Sights for FN 5.7 on the Market

1. SureFire X400U-A - Laser Light Combo

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

3. Crimson Trace CMR-204 - Laser Light Combo

4. Viridian X5L Gen 3 - Laser Light Combo

5. OLIGHT Baldr Pro - Laser Light Combo

Laser Light Combo for FN 5.7

How to Choose the Best Laser Sight for FN 5.7

FAQs

Conclusion

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