When it comes to enhancing the accuracy and performance of an M4, a reliable laser sight is an essential accessory. With a variety of options available, it can be challenging to choose the best one for your needs.
In this comprehensive guide, I will review some of the top laser sights suitable for the M4, focusing on their specifications, best features, pros and cons, user experiences, and why they are a perfect fit for this iconic firearm. We'll also explore the laser light combos, provide a guide on choosing the best laser, and answer some frequently asked questions.
Top 6 Best Laser Sights for M4 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!
SureFire X400U-A - Laser Light Combo
Specifications
Output: 500 Lumens (light), 5 mW (laser) Mounting: Picatinny / Universal Rail Best Features
The SureFire X400U-A combines a high-intensity white light with a precision green laser, making it a versatile choice for tactical scenarios. The laser is visible in both daylight and low-light conditions, providing excellent aiming capability.
Pros
High-intensity light and laser combo Cons
Shorter battery life compared to some competitors User Experience
Many users praise the SureFire X400U-A for its robust performance and reliability. It's particularly favored by law enforcement and military personnel for its durability and effectiveness in various conditions.
Why It Fits the M4
The M4, known for its versatility and reliability, pairs exceptionally well with the SureFire X400U-A. The combination of a powerful light and a precise laser enhances the tactical capabilities of the M4, making it suitable for both close-quarters combat and long-range engagements.
Online Customer Comments
"The SureFire X400U-A is worth every penny. The laser is bright and the light is incredibly powerful." "I’ve used this in multiple training scenarios, and it has never failed me." Streamlight TLR-8A Flex - Laser Light Combo
Specifications
Output: 500 Lumens (light), 640-660 nm (laser) Mounting: Rail clamp system Best Features
The Streamlight TLR-8A Flex is known for its compact design and ease of use. The ambidextrous switch makes it convenient for both right and left-handed shooters, and the low-profile design minimizes snag hazards.
Pros
Cons
Red laser might be less visible in daylight User Experience
Users appreciate the TLR-8A Flex for its simplicity and reliability. The compact size does not add significant weight to the firearm, making it a popular choice for everyday carry and home defense.
Why It Fits the M4
The lightweight and compact nature of the TLR-8A Flex complements the M4's design, ensuring that the firearm remains maneuverable and easy to handle. Its quick-attach system allows for rapid deployment, a crucial feature for tactical operations.
Online Customer Comments
"Perfect for my M4. Lightweight, and the controls are very intuitive." "The red laser is clear and easy to see, even in low-light conditions." Crimson Trace CMR-204 - Laser Light Combo
Specifications
Output: 100 Lumens (light), 5 mW (laser) Mounting: M1913 Picatinny rail Best Features
The Crimson Trace CMR-204 features a bright green laser and a 100-lumen LED light. The Instant Activation switch allows the user to activate the laser and light with a natural grip, making it highly intuitive.
Pros
Instant Activation switch Cons
User Experience
Users often highlight the CMR-204's Instant Activation feature, which enhances the speed and ease of use during high-stress situations. The green laser is also praised for its visibility in various lighting conditions.
Why It Fits the M4
The Crimson Trace CMR-204 is an excellent addition to the M4, providing a reliable aiming solution without adding significant weight. Its intuitive activation mechanism ensures that the operator can quickly engage the laser and light when needed.
Online Customer Comments
"The Instant Activation is a game-changer. Quick and easy to use." "The green laser is very bright and visible, even during the day." OLIGHT Baldr Pro R - Laser Light Combo
Specifications
Output: 1350 Lumens (light), 5 mW (laser) Runtime: 1.5 hours (light + laser) Mounting: Picatinny / Glock rail Best Features
The OLIGHT Baldr Pro R stands out with its impressive 1350-lumen light and powerful green laser. It features a quick-detach mount and a magnetic USB charging system, making it convenient and easy to use.
Pros
Cons
User Experience
Users are particularly impressed with the Baldr Pro R's light output and rechargeable battery. The magnetic charging system is a highlight, providing ease of use and eliminating the need for disposable batteries.
Why It Fits the M4
The high-output light and powerful laser of the OLIGHT Baldr Pro R make it a formidable accessory for the M4. Its quick-detach system allows for easy mounting and removal, adapting to various operational needs.
Online Customer Comments
"The light is incredibly bright, and the green laser is spot-on." "Love the magnetic charging. No more fumbling with batteries." Viridian X5L Gen 3 - Laser Light Combo
Specifications
Output: 500 Lumens (light), 5 mW (laser) Runtime: 6 hours (laser only), 1.5 hours (light + laser) Mounting: Universal rail mount Best Features
The Viridian X5L Gen 3 is known for its extended battery life and enhanced visibility. It features a powerful green laser and a 500-lumen tactical light, with a unique instant-on technology that activates the laser and light upon drawing the firearm.
Pros
Cons
User Experience
Users appreciate the X5L Gen 3's instant-on feature, which is particularly useful for self-defense situations. The green laser's visibility and the light's moderate output make it a reliable tool for various applications.
Why It Fits the M4
The Viridian X5L Gen 3's instant-on technology enhances the M4's readiness, making it ideal for quick-response scenarios. Its lightweight design ensures that the M4 remains easy to handle and maneuver.
Online Customer Comments
"The instant-on feature is fantastic. Quick and reliable." "Great battery life and very bright laser." HOLOSUN LS321G
Specifications
Output: 500 Lumens (light), 1 mW (IR laser), 5 mW (green laser) Best Features
The HOLOSUN LS321G is a multi-laser system featuring both green and IR lasers, making it versatile for day and night operations. It is built with a robust aluminum housing, ensuring durability in harsh conditions.
Pros
Cons
Heavier than other models User Experience
Users praise the HOLOSUN LS321G for its versatility and robust construction. The dual-laser system is particularly appreciated by those who require both visible and IR laser capabilities.
Why It Fits the M4
The HOLOSUN LS321G adds significant versatility to the M4, making it suitable for both daytime and nighttime operations. Its durable construction ensures it can withstand the rigors of tactical use.
Online Customer Comments
"The dual-laser system is perfect for my needs. Very versatile." "A bit heavier, but the durability and functionality are worth it." Laser Light Combo for the M4
Combining a laser with a tactical light can significantly enhance the M4's operational capabilities. A laser light combo provides both illumination and precise aiming, essential for various tactical scenarios.
Top Laser Light Combos
SureFire X400U-A: Combines a high-intensity white light with a precision green laser. Streamlight TLR-8A Flex: Compact design with both light and laser. OLIGHT Baldr Pro R: High-output light and powerful laser, rechargeable battery. How to Choose the Best Laser for the M4
Key Considerations
Laser Type: Green lasers are generally more visible in daylight compared to red lasers. Light Output: Higher lumens provide better illumination. Battery Life: Consider the runtime based on your usage needs. Mounting System: Ensure compatibility with the M4's rail system. Weight and Size: Opt for a lightweight and compact design to maintain maneuverability. Tips
Evaluate Your Needs: Determine whether you need a laser for tactical, home defense, or training purposes. Check User Reviews: User experiences can provide valuable insights into the product's reliability and performance. Consider Durability: Look for lasers with robust construction to withstand harsh conditions. FAQs
What is the best laser color for an M4?
Green lasers are typically more visible in daylight, making them a preferred choice for outdoor and daytime operations.
How do I mount a laser on my M4?
Most lasers come with a Picatinny or universal rail mount system. Ensure the laser is securely attached and properly aligned with your firearm.
Can I use a laser sight in low-light conditions?
Yes, laser sights are particularly effective in low-light conditions, providing a clear aiming point when visibility is reduced.
Are laser sights legal?
Laser sights are legal in most places, but it's essential to check local laws and regulations regarding their use.
How often should I replace the batteries?
Battery life varies by model. It's recommended to replace or recharge batteries regularly to ensure the laser is always operational.
Conclusion
In conclusion, selecting the best laser for your M4 involves considering factors such as laser type, light output, battery life, and mounting compatibility. The SureFire X400U-A, Streamlight TLR-8A Flex, Crimson Trace CMR-204, OLIGHT Baldr Pro R, Viridian X5L Gen 3, and HOLOSUN LS321G are all excellent choices, each offering unique features and benefits. Whether you need a laser for tactical operations, home defense, or training, these top picks provide reliable performance and enhance the capabilities of your M4.