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Top 6 Best Laser Sights for SIG Sauer M400 of 2024

When it comes to enhancing the performance and accuracy of your SIG Sauer M400, investing in a quality laser sight is a decision you won’t regret. Not only does it improve target acquisition, but it also boosts confidence, especially in low-light conditions. With a plethora of options available, it can be overwhelming to choose the right one. Here, I've selected and reviewed six of the top laser sights suitable for the SIG Sauer M400. Each product is evaluated based on its specifications, features, pros, cons, and user experiences.

Top 6 Best Laser Sights for SIG Sauer M400 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. SureFire X400U-A - Laser Light Combo

SureFire X400U-A.png
Specifications
Laser Type: Red
Laser Output: 5 mW
Light Output: 1,000 lumens
Battery Type: 2 x CR123A
Weight: 4.9 oz
Waterproof: Yes, IPX7
Best Features
Integrated laser and light combo
Durable aerospace aluminum body
Ambidextrous switch for easy operation
TIR lens for focused beam
Pros
Extremely bright light output
Durable and reliable construction
Easy to install and adjust
Waterproof and impact-resistant
Cons
Relatively expensive
Bulkier compared to some other options
User Experience
Using the SureFire X400U-A on my SIG Sauer M400 has been a game-changer, particularly in low-light scenarios. The combination of a powerful light and an accurate laser makes target acquisition seamless. Its robust build ensures that it can withstand rough handling, making it a reliable companion in various conditions.
Customer Comments
Users appreciate the SureFire X400U-A for its powerful illumination and precision. However, some mention its higher price point as a potential drawback.

2. Streamlight TLR-2 HL G - Laser Light Combo

Streamlight TLR-2 HL G.png
Specifications
Laser Type: Green
Laser Output: 5 mW
Light Output: 800 lumens
Battery Type: 2 x CR123A
Weight: 4.78 oz
Waterproof: Yes, IPX4
Best Features
High visibility green laser
Compact and lightweight design
Secure rail grip clamp system
Long battery life
Pros
Bright and clear laser
Easy to mount and dismount
Strong light output
Good battery performance
Cons
Light could be brighter compared to some competitors
Slightly less rugged than some other options
User Experience
The Streamlight TLR-2 HL G offers excellent performance with its high-visibility green laser, which is easier to see during daylight compared to red lasers. Its compact design doesn't add much bulk to the SIG Sauer M400, making it ideal for quick maneuvers and handling.
Customer Comments
Many users highlight the ease of installation and the brightness of the green laser. Some wish for a slightly more robust build, but overall, it's well-received for its performance and reliability.

3. Crimson Trace CMR-301

Crimson Trace CMR-301.png
Specifications
Laser Type: Green
Laser Output: 5 mW
Light Output: 1,000 lumens
Battery Type: Rechargeable Li-Ion
Weight: 6.9 oz
Waterproof: Yes, IPX4
Best Features
Innovative pressure pad for quick activation
Integrated green laser and tactical light
Adjustable for windage and elevation
Durable aluminum housing
Pros
High power light and laser combo
Easy activation with pressure pad
Adjustable laser for precision
Long-lasting rechargeable battery
Cons
Heavier compared to other options
Slightly complex installation process
User Experience
The Crimson Trace CMR-301 is an impressive piece of equipment with its high-output light and green laser. The pressure pad activation is particularly handy for quick response scenarios. Although it's a bit heavier, its robust build and performance outweigh this minor drawback.
Customer Comments
Users often praise the Crimson Trace CMR-301 for its innovative features and solid build. The rechargeable battery is a significant advantage, though the initial setup can be a bit tricky.

4. OLIGHT Baldr Pro R - Laser Light Combo

OLIGHT Baldr Pro R.png
Specifications
Laser Type: Green
Laser Output: 5 mW
Light Output: 1,350 lumens
Battery Type: Rechargeable Li-Ion
Weight: 4.55 oz
Waterproof: Yes, IPX4
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