When choosing the best laser for your Taurus TH40, there are many options available on the market. As an enthusiast and expert in firearms accessories, I’ve tested and evaluated several products to bring you the best options. Below are my top recommendations, each with detailed reviews to help you make an informed decision.
Top Product List
- SureFire X400U-A-GN
- Streamlight TLR-8A Flex
- Crimson Trace CMR-204
- Viridian X5L Gen 3
- OLIGHT Baldr Pro R
- ArmaLaser TR9
Note: This article reflects my personal opinions. While the products mentioned may not be perfect for everyone, they might be useful for some readers.
Top 6 Best Laser Sights for Taurus TH40
SureFire X400U-A-GN

Specifications
- Laser Color: Green
- Lumens: 600
- Battery Type: CR123A
- Weight: 4.9 oz
- Mount Type: Universal
Best Features
The SureFire X400U-A-GN combines a powerful 600-lumen white light with a highly visible green laser. The green laser is visible in daylight conditions, making it an excellent choice for tactical applications. The ambidextrous switches make it easy to operate with either hand, and the rugged construction ensures durability in harsh conditions.
Pros
- High visibility green laser
- Powerful 600-lumen white light
- Durable construction
- Ambidextrous switches
Cons
- Higher price point
- Heavier than some alternatives
User Experience
Using the SureFire X400U-A-GN on the Taurus TH40 has been a remarkable experience. The laser’s visibility in various lighting conditions is impressive, and the flashlight provides ample illumination for low-light scenarios. The weight is balanced well with the TH40, making it comfortable to handle.
Customer Comments
Customers often praise the SureFire X400U-A-GN for its durability and the bright, clear laser. Some have mentioned the higher price but agree that the quality justifies the cost.
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Streamlight TLR-8A Flex

Specifications
- Laser Color: Red
- Lumens: 500
- Battery Type: CR123A
- Weight: 2.64 oz
- Mount Type: Rail clamp system
Best Features
The Streamlight TLR-8A Flex offers a compact design with both a red laser and a 500-lumen white light. The “Safe Off” feature prevents accidental activation, preserving battery life. Its small size and lightweight design make it an excellent fit for the Taurus TH40 without adding significant bulk.
Pros
- Compact and lightweight
- “Safe Off” feature
- High-quality construction
- Easy installation
Cons
- Red laser less visible in bright conditions
- Slightly less powerful light compared to competitors
User Experience
The Streamlight TLR-8A Flex integrates seamlessly with the Taurus TH40. Its compact size doesn’t interfere with holstering, and the laser and light activation is intuitive. The red laser is adequate for most indoor and low-light conditions, though not as visible in bright daylight.
Customer Comments
Users appreciate the TLR-8A Flex’s compactness and reliability. Many highlight the ease of use and installation, making it a popular choice for everyday carry.
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Crimson Trace CMR-204

Specifications
- Laser Color: Green
- Lumens: 100
- Battery Type: CR2
- Weight: 2.4 oz
- Mount Type: M1913/Picatinny rail
Best Features
The Crimson Trace CMR-204 features a bright green laser and a 100-lumen light. The laser’s brightness is ideal for daylight visibility, and the light, while not the most powerful, is sufficient for most indoor applications. The unit is compact and easy to mount.
Pros
- Bright green laser
- Compact design
- Easy to mount
- Affordable price
Cons
- Lower lumen output
- Limited range of the light
User Experience
Mounting the Crimson Trace CMR-204 on the Taurus TH40 is straightforward. The green laser is highly visible, and the light is adequate for home defense scenarios. Its compact size ensures it doesn’t hinder maneuverability or holstering.
Customer Comments
Customers appreciate the CMR-204’s value for money, noting the bright green laser as a standout feature. Some mention the lower light output but find it sufficient for their needs.
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Viridian X5L Gen 3

Specifications
- Laser Color: Green
- Lumens: 500
- Battery Type: Rechargeable
- Weight: 3.3 oz
- Mount Type: Universal rail
Best Features
The Viridian X5L Gen 3 stands out with its powerful 500-lumen light and highly visible green laser. The rechargeable battery is a convenient feature, eliminating the need for constant battery replacements. The unit also features an instant-on activation when drawn from a holster.
Pros
- Rechargeable battery
- Instant-on activation
- High lumen output
- Visible green laser
Cons
- Higher price point
- Requires specific holster for instant-on feature
User Experience
The Viridian X5L Gen 3 fits well on the Taurus TH40, and the instant-on feature is particularly useful for quick response situations. The laser’s visibility and the powerful light make it a versatile choice for various conditions.
Customer Comments
Users often highlight the convenience of the rechargeable battery and the instant-on feature. The high brightness of the light and laser receives positive feedback, though some note the need for a compatible holster for the instant-on feature.
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OLIGHT Baldr Pro R

Specifications
- Laser Color: Green
- Lumens: 1350
- Battery Type: Rechargeable
- Weight: 4.55 oz
- Mount Type: Quick detach lever
Best Features
The OLIGHT Baldr Pro R offers an impressive 1350 lumens of light output and a bright green laser. The quick detach lever allows for easy installation and removal. The rechargeable battery and dual switches for ambidextrous operation are notable features.
Pros
- Extremely high lumen output
- Quick detach lever
- Rechargeable battery
- Ambidextrous operation
Cons
- Heavier than other options
- May be too bright for some applications
User Experience
Using the OLIGHT Baldr Pro R with the Taurus TH40 provides unmatched illumination, ideal for tactical and home defense scenarios. The green laser is visible in most conditions, and the quick detach lever makes it convenient to use.
Customer Comments
Customers frequently praise the brightness and build quality of the Baldr Pro R. The rechargeable battery and ease of mounting are also appreciated, though some find the brightness excessive for close-range use.
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ArmaLaser TR9

Specifications
- Laser Color: Red
- Lumens: N/A
- Battery Type: 357 Silver Oxide
- Weight: 1.25 oz
- Mount Type: Trigger guard
Best Features
The ArmaLaser TR9 features a red laser and mounts directly to the trigger guard. The touch activation allows for intuitive use, and the lightweight design ensures it doesn’t add bulk to the firearm.
Pros
- Lightweight
- Touch activation
- Easy to install
- Affordable price
Cons
- Red laser less visible in bright light
- No light feature
User Experience
The ArmaLaser TR9 is a lightweight and convenient option for the Taurus TH40. The touch activation is responsive, making it easy to engage the laser quickly. Its design doesn’t interfere with holstering or handling the firearm.
Customer Comments
Users appreciate the affordability and ease of use of the ArmaLaser TR9. While the red laser is less visible in bright conditions, many find it sufficient for indoor and low-light scenarios.
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How to Choose the Best Laser Sight for Your Taurus TH40
When selecting the best laser for your Taurus TH40, consider the following factors:
Laser Color
- Red Lasers: Generally more affordable and adequate for indoor or low-light conditions.
- Green Lasers: More visible in daylight and longer distances, though typically more expensive.
Light Output
- Lumens: Higher lumens provide better illumination in dark environments but may add to the cost and weight.
- Light Color: White light is standard, but some models offer multiple color options.
Battery Type
- Disposable Batteries: Easy to replace but can add to long-term costs.
- Rechargeable Batteries: More convenient and cost-effective over time but may require specific charging equipment.
Mounting System
- Universal Rail Mounts: Compatible with most firearms.
- Trigger Guard Mounts: More specific fit but can offer a more streamlined design.
Activation Method
- Button/Switch Activation: Common and reliable.
- Touch Activation: Offers quick engagement but may be less reliable in some conditions.
- Instant-On Activation: Activates when drawn from a holster, ideal for quick response situations.
Weight and Size
- Compact and Lightweight Models: Better for everyday carry.
- Larger Models: May offer more features but can add bulk and weight.
FAQs
What is the benefit of a green laser over a red laser?
Green lasers are generally more visible in daylight and can be seen at longer distances. However, they are often more expensive than red lasers.
How do I maintain my laser sight?
Regularly clean the lens with a microfiber cloth and check the battery levels. Ensure the mounting screws are tight and secure. Regularly test the laser and light to ensure they function properly.
Can I install the laser sight myself, or do I need a gunsmith?
Most laser sights are designed for easy installation, and you can typically mount them yourself using basic tools. However, if you are unsure or uncomfortable with the installation process, consulting a gunsmith is a good idea.
How do I zero my laser sight?
To zero your laser sight, follow these steps:
- Secure your firearm on a stable platform.
- Align the laser with the iron sights at a specific distance (usually 10–25 yards).
- Make fine adjustments using the windage and elevation controls on the laser sight until the laser dot aligns with your point of impact.
Is it legal to use a laser sight on my firearm?
Laser sights are generally legal, but regulations vary by location. Always check your local laws and regulations regarding the use of laser sights on firearms.
How long do the batteries last in a laser sight?
Battery life varies depending on the model and usage. High-lumen lights and powerful lasers typically consume more power. Check the manufacturer’s specifications for estimated battery life and keep spare batteries on hand for extended use.
Conclusion
Choosing the best laser for your Taurus TH40 requires considering various factors, including laser color, light output, battery type, mounting system, activation method, weight, and size. Each of the recommended products has its strengths and is suited for different needs and preferences.
The SureFire X400U-A-GN is a top-tier choice for those seeking maximum performance and durability. The Streamlight TLR-8A Flex offers a compact and reliable option with a good balance of features. For those on a budget, the Crimson Trace CMR-204 provides excellent value with its bright green laser. The Viridian X5L Gen 3 and OLIGHT Baldr Pro R are premium options with advanced features, while the ArmaLaser TR9 is perfect for those looking for a lightweight, easy-to-use laser sight.
By considering your specific needs and preferences, you can find the perfect laser sight to enhance your Taurus TH40, ensuring improved accuracy and performance in any situation.