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Top 6 Best Lights for Glock 43X MOS of 2025

The Glock 43X MOS (Modular Optic System) has swiftly gained popularity among firearm enthusiasts due to its compact size and enhanced features. This sleek, reliable handgun is an excellent choice for concealed carry and self-defense. To maximize its potential, equipping it with the best tactical light is essential.
After extensive research and personal testing, I've compiled a list of the top lights suitable for the Glock 43X MOS. Let's delve into the best options available, their specifications, features, pros, cons, and my personal experience with each.

Top 6 Best Lights for Glock 43X MOS 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

Streamlight-TLR-6-IMG1.png
Specifications:
Lumens: 100
Run Time: 1 hour
Battery: Two CR1/3N lithium batteries
Weight: 1.12 ounces
Dimensions: 2.20 x 1.07 x 1.32 inches
Best Features:
Integrated red aiming laser
Ambidextrous switching
Easy battery replacement without removing the light
Designed specifically for subcompact handguns
Pros:
Lightweight and compact
Easy to install and remove
Provides both illumination and laser targeting
Affordable
Cons:
Lower lumen output compared to other models
Limited battery life
Experience: The Streamlight TLR-6 is my go-to choice for the Glock 43X MOS due to its seamless integration and dual functionality. The light is incredibly easy to install, fitting snugly without adding bulk. The red laser is highly visible, enhancing accuracy in low-light conditions. Although it doesn't offer the highest lumen count, it provides sufficient illumination for most scenarios. Online forums frequently praise its compact design and ease of use, making it a favorite among many Glock owners.

2. SureFire XC1-B

Surefire-XC1-B-IMG1.png
Specifications:
Lumens: 300
Run Time: 45 minutes
Battery: One AAA NiMH rechargeable battery
Weight: 1.6 ounces
Dimensions: 2.375 x 1.125 x 1.375 inches
Best Features:
High-output LED
Ambidextrous switch
Durable aerospace aluminum body
Excellent beam pattern
Pros:
Bright and even light distribution
Robust build quality
Easy activation with intuitive controls
Compact and lightweight
Cons:
Relatively short battery life
Higher price point
Experience: The SureFire XC1-B stands out for its impressive brightness and durable construction. It delivers a powerful 300 lumens, ensuring clear visibility in the darkest environments. The light's beam pattern is well-distributed, providing a wide field of view without hotspots. Installing and operating the XC1-B is straightforward, with ambidextrous controls that are easily accessible. Despite its higher price, the performance and reliability justify the investment. Feedback from other users echoes my positive experience, highlighting its exceptional build quality and light output.

3. OLIGHT PL-MINI 2 Valkyrie

OLIGHT-PL-Mini-2-Valkyrie-IMG1.png
Specifications:
Lumens: 600
Run Time: 1 hour
Battery: Built-in lithium polymer battery
Weight: 2.57 ounces
Dimensions: 2.07 x 1.26 x 1.28 inches
Best Features:
Adjustable rail for various firearm sizes
Quick-release mounting system
Rechargeable via magnetic USB cable
Compact and powerful
Pros:
High lumen output
Easy to recharge
Flexible fit for different firearms
Secure mounting
Cons:
Slightly heavier than some competitors
Requires recharging instead of battery replacement
Experience: The OLIGHT PL-MINI 2 Valkyrie is a powerhouse in a small package. Its 600-lumen output is among the brightest available for compact weapon lights, providing exceptional illumination. The adjustable rail makes it versatile, fitting perfectly on the Glock 43X MOS and other firearms. Recharging is convenient with the magnetic USB cable, though the need to recharge might be a downside for some. In my use, the PL-MINI 2 proved reliable, with a secure mounting system that ensures it stays in place during recoil. User reviews frequently highlight its brightness and ease of recharging as major advantages.

4. Crimson Trace Rail Master Pro

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Specifications:
Lumens: 100
Run Time: 2 hours
Battery: One CR2 lithium battery
Weight: 2.3 ounces
Dimensions: 2.3 x 1.2 x 1.4 inches
Best Features:
Integrated green laser
Instant activation with grip
Adjustable for windage and elevation
Four operating modes (light, laser, both, and strobe)
Pros:
Dual light and laser functionality
Longer battery life
Intuitive activation
Green laser for enhanced visibility
Cons:
Lower light output
Slightly bulkier design
Experience: The Crimson Trace Rail Master Pro combines a tactical light with a green laser, offering versatile functionality. The green laser is particularly visible, even in daylight, providing an edge in accuracy. The instant activation feature is a standout, allowing immediate light and laser use with a simple grip. Although the 100-lumen light isn't the brightest, it is sufficient for many situations. The Rail Master Pro's four operating modes add flexibility, though its bulkier design may not be ideal for those prioritizing a slim profile. Discussions in online communities often praise its laser precision and intuitive operation.

5. Inforce WILD1

Inforce-WILD1-IMG1.png
Specifications:
Lumens: 200
Run Time: 1.5 hours
Battery: One CR2 lithium battery
Weight: 1.87 ounces
Dimensions: 2.43 x 1.2 x 1.02 inches
Best Features:
High-efficiency LED
Ambidextrous paddle switches
Constant and momentary operation modes
Water-resistant construction
Pros:
Bright and efficient light
Simple and effective controls
Lightweight and compact
Durable and water-resistant
Cons:
No laser integration
Battery compartment could be more accessible
Experience: The Inforce APLc delivers a solid performance with its 200-lumen LED, providing a bright and efficient light source. Its ambidextrous paddle switches are easy to use, enabling both constant and momentary light modes. The light's compact and lightweight design pairs well with the Glock 43X MOS, ensuring it doesn't impede handling. The water-resistant construction adds durability, making it suitable for various conditions. While it lacks a laser, the APLc's simplicity and reliability make it a strong contender. User comments often highlight its brightness and ergonomic design, emphasizing its value for money.

6. Nightstick TCM-550XL

Nightstick-TCM-550XL-IMG1.png
Specifications:
Lumens: 550
Run Time: 2.5 hours
Battery: One CR123 lithium battery
Weight: 2.5 ounces
Dimensions: 2.5 x 1.2 x 1.1 inches
Best Features:
High-output LED
Ambidextrous toggle switches
Lightweight and durable polymer body
IP-X7 waterproof rating
Pros:
Extremely bright light
Long run time
Waterproof and durable
Simple and intuitive controls
Cons:
Slightly larger than other compact lights
Battery compartment could be more user-friendly
Experience: The Nightstick TCM-550XL impresses with its powerful 550-lumen output, providing intense illumination for various scenarios. The ambidextrous toggle switches are intuitive and easy to operate, offering a seamless user experience. The light's polymer body is both lightweight and durable, and its IP-X7 waterproof rating ensures it can withstand harsh conditions. While slightly larger than other compact options, it remains a great fit for the Glock 43X MOS. Users frequently praise its brightness and reliability, noting its excellent performance in diverse environments.

How to Choose the Best Light for Glock 43X MOS

Selecting the right light for your Glock 43X MOS involves several considerations:
Brightness (Lumens):
Higher lumens provide better illumination but can also lead to faster battery depletion. Consider your typical usage scenarios to find the right balance.
Battery Life:
Lights with longer run times are ideal for extended use. Evaluate the type of batteries used and their availability.
Size and Weight:
Compact and lightweight lights are preferable for concealed carry. Ensure the light does not add excessive bulk to your firearm.
Mounting and Compatibility:
The light should fit securely on the Glock 43X MOS without requiring extensive modifications. Quick-release systems can be advantageous for easy attachment and removal.
Durability:
Look for lights with robust construction, water resistance, and shockproof features to ensure they withstand rigorous use.
Additional Features:
Consider lights with additional features like integrated lasers, multiple light modes, and easy activation switches for enhanced functionality.

FAQs

Q: Can I use any light on my Glock 43X MOS? A: No, not all lights are compatible with the Glock 43X MOS. Ensure the light you choose is designed for or adaptable to subcompact handguns.
Q: How do I install a tactical light on my Glock 43X MOS? A: Most lights for the Glock 43X MOS are designed for easy installation, typically attaching to the rail under the barrel. Follow the manufacturer's instructions for a secure fit.
Q: Is a higher lumen count always better? A: While higher lumens offer brighter light, they may not always be necessary and can lead to faster battery depletion. Choose a lumen count that matches your specific needs.
Q: Are rechargeable lights better than battery-powered ones? A: Rechargeable lights are convenient and cost-effective over time but require periodic recharging. Battery-powered lights offer the flexibility of quick battery replacement. Choose based on your preference and usage pattern.
Q: Do I need a laser in my tactical light? A: A laser can enhance accuracy, particularly in low-light conditions. However, it is not essential for everyone. Evaluate your shooting habits and needs before deciding.

Conclusion

Choosing the best light for your Glock 43X MOS involves balancing brightness, battery life, size, and additional features. Whether you prioritize a compact design, high lumen output, or integrated laser, there's a suitable option available. The Streamlight TLR-6, SureFire XC1-B, OLIGHT PL-MINI 2 Valkyrie, Crimson Trace Rail Master Pro, Inforce APLc, and Nightstick TCM-550XL each offer unique advantages, catering to different preferences and requirements. Equip your Glock 43X MOS with one of these top-rated lights to enhance your shooting experience and ensure you’re prepared for any situation.

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