Holosun HE407K-GR X2 Review: Top Reflex Sight for Subcompact Pistols with Lock Mode and Shake Awake

Holosun Dot Sight for Pistols

Precision and reliability are essential in subcompact pistols for concealed carry or duty use. The right sight can make all the difference between hitting the target and missing the mark. The Holosun HE407K-GR Dot Sight offers a cutting-edge reflex sight enhancing accuracy, durability, and convenience. Featuring Lock Mode, Shake Awake, and long battery life, this optic revolutionizes shooting performance.


Holosun HE407K-GR X2 Dot Sight for Pistols

The Holosun HE407K-GR X2 Dot Sight is an open reflex optical sight meticulously crafted for subcompact pistol applications. Building on its predecessor’s success, this model adds key enhancements, perfect for precision in a compact package. From the robust construction to the innovative features, the HE407K-GR X2 is a standout in the world of pistol optics.


Precision Engineering and Robust Construction

When it comes to construction, the HE407K-GR X2 does not compromise. The sight is housed in 7075 T6 aluminum, a material known for its exceptional strength-to-weight ratio. The anodized aluminum ensures durability and lightweight, crucial for subcompact pistols where every ounce matters. Weighing just one ounce, this sight adds minimal weight to your firearm, preserving its balance and handling. Measuring 1.6×0.98×0.95 inches, the sight is compact yet substantial for a clear, accurate target view. The 0.58×0.77-inch window offers a generous field of view for quick, unobstructed target acquisition.


Lock Mode: A New Level of Control with Holosun Dot Sight for Pistols

One of the standout features of the HE407K-GR X2 is the introduction of Lock Mode. First introduced in Holosun’s 2018 LEM models, this feature is enhanced in the HE407K-GR X2. Lock Mode prevents accidental sight adjustments, crucial for high-pressure situations where reliability is key.
Once activated, Lock Mode locks the buttons, keeping settings unchanged despite bumps or accidental presses.

For daily carriers, Lock Mode ensures sight settings remain intact, providing peace of mind when drawing your firearm. This feature is particularly valuable in scenarios where time and accuracy are critical.


Shake Awake Technology: Always Ready When You Are

Holosun’s Shake Awake technology is a hallmark feature across their optics, and the HE407K-GR X2 is no exception. This technology is designed to maximize battery life by automatically deactivating the sight when not in use. The sight’s motion sensor detects slight movements, instantly reactivating the LED when needed.

This feature is especially beneficial for those who carry their pistols regularly. Shake Awake technology conserves battery life by turning off the LED after inactivity, adjustable from 10 minutes to 12 hours. When you draw your firearm, the sight instantly activates, ensuring you’re always ready.

This seamless operation makes the HE407K-GR X2 an ideal companion for concealed carry, duty use, or home defense, where every second and every detail matter.


Green Super LED: Clarity and Efficiency

The Holosun HE407K-GR X2 features Holosun’s Green Super LED, which is engineered for maximum visibility and efficiency. Green LEDs are often preferred over red due to their superior visibility in various lighting conditions, including bright daylight. The 6MOA dot is crisp and clear, providing a precise point of aim without obscuring your target.

One of the key advantages of Holosun’s Super LED technology is its power efficiency. With up to 50,000 hours of battery life, the HE407K-GR X2 ensures long-term reliability, minimizing battery changes. Extended battery life is crucial for daily carry, reducing maintenance and ensuring the sight is always ready.The sight offers versatile brightness settings, from night vision-compatible to daylight-bright, ensuring visibility in any environment. This adaptability makes the HE407K-GR X2 a versatile tool for a wide range of shooting scenarios.


Multilayer Reflective Glass: Clear and Durable Optics

The HE407K-GR X2 is equipped with Holosun’s Multilayer Reflective Glass, which enhances both the clarity and durability of the sight. This glass is designed to minimize reflection while maximizing light transmission, resulting in a clear and sharp image of your target. The reflective properties are finely tuned to ensure that the reticle remains visible without causing any unwanted glare.

Durability is also a key factor in the design of this optic. The multilayer glass is not only resistant to scratches and impacts but also capable of withstanding harsh environmental conditions. Whether you are shooting in bright sunlight, rain, or low-light conditions, the HE407K-GR X2 provides a consistent and reliable sight picture.


Designed for Subcompact Pistols

One of the defining characteristics of the HE407K-GR X2 is its design, which is specifically tailored for subcompact pistols. This optic is a direct fit for models like the Sig Sauer P365X/XL, among others, making it an ideal choice for those who carry compact or subcompact firearms. For pistols with a four-boss interface, an adapter plate is required, but the installation process remains straightforward and user-friendly.

The sight’s compact size and lightweight construction make it an excellent match for smaller pistols, ensuring that it doesn’t disrupt the firearm’s balance or concealability. Despite its small size, the sight offers all the advanced features you would expect from a full-sized optic, providing a perfect blend of performance and portability.


Adjustability and Performance With Holosun Dot Sight for Pistols

The Holosun HE407K-GR X2 offers precise adjustability to ensure that you can fine-tune the sight to match your shooting style and needs. The adjustment per click is set at 1 MOA, providing the granularity needed for accurate sighting in. The windage and elevation travel range is ±30 MOA, offering plenty of room for adjustments in various shooting conditions.

These adjustment features are particularly important for shooters who need to account for factors like bullet drop, wind, or varying distances. With the HE407K-GR X2, you can make these adjustments quickly and easily, ensuring that your shots are always on target.


Environmental Resilience

When it comes to durability, the Holosun HE407K-GR X2 is built to withstand the elements. The sight is rated IP67, which means it is fully protected against dust and can be submerged in water up to a certain depth without being damaged. This makes the HE407K-GR X2 an excellent choice for those who may need to use their firearm in harsh or unpredictable conditions.

In addition to its water resistance, the sight is also designed to function across a wide range of temperatures. With a working temperature range of -30℃ to 60℃ and a storage temperature range of -40℃ to 70℃, the HE407K-GR X2 can handle everything from extreme cold to intense heat.

Moreover, the sight is tested to withstand vibrations up to 5000G, ensuring that it remains reliable even in high-stress environments or when mounted on firearms with strong recoil. This level of durability and resilience is what makes the HE407K-GR X2 a trusted choice for professionals and enthusiasts alike.


Ease of Use: Battery Replacement and Installation

One of the practical advantages of the HE407K-GR X2 is its user-friendly design, particularly when it comes to battery replacement and installation. The sight is powered by a 1632 battery, which is housed in a side-mounted tray. This design allows for easy battery replacement without the need to remove the sight from the firearm, ensuring that your zero is maintained.

This ease of maintenance is a significant benefit for those who rely on their optic in critical situations. Whether you are in the field or at home, you can replace the battery quickly and get back to what matters most—your performance.


Accessories Included

When you purchase the Holosun HE407K-GR X2, it comes with several accessories to help you get the most out of your sight. The package includes a multi-tool, which is essential for making adjustments and installations. Additionally, a user manual is provided, offering detailed instructions on how to set up, maintain, and use the sight to its fullest potential.

These accessories ensure that you have everything you need to start using your sight right out of the box, making the HE407K-GR X2 a convenient and complete solution for enhancing your shooting accuracy.


Why Choose the Holosun HE407K-GR X2?

The Holosun HE407K-GR X2 Dot Sight is more than just an accessory for your subcompact pistol—it’s a tool designed to enhance your shooting experience. Whether you’re a professional in law enforcement, a competitive shooter, or someone who carries a pistol for personal protection, the HE407K-GR X2 offers a range of features that cater to your needs.

From its durable construction and advanced technology to its user-friendly design, this sight provides reliability and precision in a compact package. The combination of Lock Mode, Shake Awake technology, and Green Super LED makes it a top choice for those who demand the best in performance and convenience.


FAQs

How does the Lock Mode on the Holosun HE407K-GR X2 work?
Lock Mode prevents accidental changes to the sight’s settings by locking the adjustment buttons. This feature ensures that your settings remain consistent, even during rough handling or when the firearm is holstered.

What is Shake Awake technology?
Shake Awake technology automatically powers down the sight’s LED after a period of inactivity to conserve battery life. The LED is instantly reactivated when the optic senses motion, ensuring that the sight is always ready when you are.

What are the benefits of the Green Super LED in the HE407K-GR X2?
The Green Super LED provides superior visibility in various lighting conditions, including bright daylight. It is also highly efficient, offering up to 50,000 hours of battery life, reducing the need for frequent replacements.

Can the HE407K-GR X2 withstand harsh environmental conditions?
Yes, the HE407K-GR X2 is designed to be highly durable, with an IP67 rating for water and dust resistance. It can also withstand a wide range of temperatures and vibrations up to 5000G, making it suitable for use in challenging environments.

Is the Holosun HE407K-GR X2 compatible with all subcompact pistols?
The HE407K-GR X2 is a direct fit for certain subcompact models like the Sig Sauer P365X/XL. For other pistols, particularly those with a four-boss interface, an adapter plate may be required.

How easy is it to replace the battery in the HE407K-GR X2?
Battery replacement is straightforward, thanks to the side-mounted tray design. You can replace the battery without removing the sight from your firearm, ensuring that your zero remains intact.


Conclusion

The Holosun HE407K-GR X2 Dot Sight is a powerful and reliable optic designed for subcompact pistols. Its blend of innovative features like Lock Mode, Shake Awake technology, and a long-lasting Green Super LED makes it an exceptional choice for shooters who demand precision and durability in a compact form. Whether for personal protection, duty, or competition, the HE407K-GR X2 is built to perform when it matters most.

For those seeking to upgrade their subcompact pistol with a high-quality reflex sight, the Holosun HE407K-GR X2 offers a compelling combination of technology, ease of use, and resilience that is hard to match.

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