Holosun HS507K X2 Red Dot Sight: Elevate Your Subcompact Pistol Performance

For discerning firearm owners seeking to enhance the capabilities of their subcompact pistols, the Holosun HS507K X2 Red Dot Sight stands out as a premier optical solution. Engineered specifically for the compact footprint of today's most popular concealed carry firearms, this advanced open reflex optical sight delivers unparalleled speed, accuracy, and reliability. If you’re asking "What is the best red dot for my Sig P365X/XL?" or "How can I improve my pistol's accuracy and speed for everyday carry?", the HS507K X2 offers a compelling answer.

Designed to seamlessly integrate with a wide array of subcompact handgun platforms, the HS507K X2 is not just an accessory; it's a fundamental upgrade for those who demand peak performance from their defensive or sporting pistols. Its innovative features cater to both seasoned shooters and those new to pistol-mounted optics, ensuring an intuitive and effective shooting experience.

Unpacking the Core Innovation: The HS507K X2 Advantage

At its heart, the Holosun HS507K X2 builds upon a legacy of innovation, directly addressing user feedback and real-world application needs. This model refines an already popular design by introducing key enhancements that significantly improve user experience and operational security.

Introducing Lock Mode: Unwavering Control

One of the most significant improvements in the HS507K X2 is the integration of Lock Mode. First introduced in Holosun's 2018 LEM pistol optic models, this feature is a game-changer for maintaining consistent sight settings.

• What is Lock Mode? When activated, Lock Mode prevents inadvertent changes to your brightness settings or reticle selection. This means once you've dialed in your preferred configuration, accidental button presses – whether during drawing, holstering, or rigorous activity – will not alter your sight's performance.
• Why is this important? Imagine a high-stress situation or a competitive shooting stage where your optic settings unexpectedly change. Lock Mode eliminates this potential point of failure, providing peace of mind and ensuring that your sight remains precisely as you set it, every time you draw your weapon. This is crucial for concealed carry holders who depend on their equipment to be ready at a moment's notice. For competitive shooters, it means fewer distractions and more consistent performance throughout a match.

The Versatility of the Multi-Reticle System (MRS)

Holosun's renowned Multi-Reticle System (MRS) is a cornerstone of the HS507K X2's appeal, offering unparalleled flexibility to adapt to various shooting scenarios and personal preferences.

• 2 MOA Red Dot: This fine dot is ideal for precision shots at longer distances, allowing for minute-of-angle accuracy without obscuring the target. It's excellent for target shooting and situations where extreme precision is paramount.
• 32 MOA Red Circle: The large 32 MOA circle is designed for rapid target acquisition. When time is critical, the human eye naturally centers the dot within the circle, allowing for incredibly fast sight picture alignment. This is particularly beneficial in defensive scenarios or fast-paced competitive shooting.
• 2 MOA Dot & 32 MOA Circle Combination: The combination reticle offers the best of both worlds. It provides the quick indexing of the large circle for close-range engagements while retaining the precision of the 2 MOA dot for more accurate work. Many users find this combined reticle to be the most versatile for general purpose and defensive use.

• How does MRS benefit the user? The ability to switch between these reticles on the fly means you're not locked into a single aiming solution. You can choose the reticle that best suits the lighting conditions, target size, engagement distance, and your personal shooting style. This adaptability makes the HS507K X2 incredibly effective across a broad spectrum of shooting disciplines, from self-defense to range practice.

Uninterrupted Power and Readiness: Shake Awake Technology and Long Battery Life

The HS507K X2 is engineered for maximum operational readiness, integrating intelligent power management features that ensure your optic is always prepared when you need it most.

Shake Awake: Always Ready, Always Saving Power

Holosun's innovative Shake Awake technology is a defining feature that optimizes battery consumption without compromising readiness.

• How it works: The optic enters a sleep mode after a user-defined period of inactivity. However, the moment it senses even the slightest movement – such as drawing your pistol from a holster or simply picking it up – it instantly powers on to the last used brightness setting. There's no fumbling with buttons or waiting for the sight to initialize.
• Why it matters: For concealed carry, this means your optic is always on and ready for immediate use, without draining the battery unnecessarily when the firearm is stored. It’s a seamless, intuitive system that provides peace of mind. For training or competition, it ensures the reticle is present the moment you present the firearm.

Exceptional Battery Life: The Red Super LED Advantage

The HS507K X2 utilizes Holosun's highly efficient Red Super LED, offering an astounding up to 50,000 hours of battery life on a single CR1620 battery.

• CR1620 Battery: This commonly available battery is housed in a convenient side-mounted tray, allowing for easy and tool-free replacement without needing to remove the optic from your pistol. This ensures you maintain your zero, a critical advantage over optics requiring removal for battery changes.
• Practical Implications: With 50,000 hours, or over 5 years, of continuous operation on a medium setting, battery changes become an infrequent task. This significantly reduces maintenance requirements and allows users to trust their optic will perform when called upon, eliminating concerns about a dead battery at the worst possible moment. For many, this means setting it and forgetting it for years.

Built for the Rigors: Durability and Mounting

A dependable pistol optic must withstand the harsh recoil of firearms and the rigors of daily use. The HS507K X2 is built to endure.

Robust 7075 T6 Aluminum Housing

The optic's housing is meticulously machined from 7075 T6 Aluminum, an aerospace-grade alloy known for its exceptional strength-to-weight ratio and corrosion resistance.

• Benefits: This material choice ensures the HS507K X2 is incredibly durable, capable of shrugging off impacts, drops, and the consistent forces of pistol recoil. It provides a lightweight yet robust shell that protects the sensitive internal components, guaranteeing longevity and consistent performance under adverse conditions.
• Weatherproof Construction: The Holosun HS507K X2 boasts a waterproof rating, ensuring reliable operation even when exposed to rain, humidity, or submersion. This makes it a dependable choice for all-weather conditions, whether for duty, concealed carry, or outdoor recreational shooting.

Holosun K Footprint: Optimized for Subcompacts

The HS507K X2 utilizes Holosun's proprietary K footprint, specifically designed to minimize the overall size and height of the optic, making it ideal for subcompact pistol slides.

• Direct Fit Compatibility: This optic is a direct fit for P365X/XL models, meaning it mounts directly to the slide without the need for an adapter plate. This results in a lower, more integrated profile, enhancing co-witnessing capabilities with existing iron sights and improving overall ergonomics.
• Adapter Plate Requirement: For other popular subcompact slides featuring a "four-boss interface," an adapter plate will be required for secure mounting. This broadens the compatibility of the HS507K X2, allowing it to be integrated with many other concealed carry platforms with minimal effort. It's essential to verify your specific pistol's slide cut and purchase the appropriate adapter if necessary to ensure a perfect fit and optimal performance.

Enhancing the Shooting Experience

Beyond its core features, the Holosun HS507K X2 incorporates several design elements that collectively contribute to a superior shooting experience.

• Parallax Free Design: The optic is parallax-free, meaning the reticle will remain precisely on target regardless of minor head movements or eye position. This allows for faster, more forgiving target acquisition and consistent accuracy from various shooting positions.
• Unlimited Eye Relief: As an open reflex sight, the HS507K X2 offers unlimited eye relief. This means you can mount the optic at any comfortable distance from your eye, making it adaptable to different shooting stances and personal preferences without sacrificing sight picture.
• Multi-Coated Objective Lens: The 0.58" x 0.77" objective lens features multi-coatings. These specialized coatings enhance light transmission, reduce glare, and provide a clear, bright, and distortion-free sight picture. This is crucial for optimal visibility in varying light conditions, from bright daylight to low-light environments.
• Precise Adjustments: The optic offers 1 MOA adjustment size for both windage and elevation, with a total adjustment range of 30 MOA for each. This allows for precise zeroing and fine-tuning to match your chosen ammunition and shooting distance, ensuring pinpoint accuracy.

Who Benefits from the Holosun HS507K X2?

The Holosun HS507K X2 is an excellent choice for a diverse range of users and applications:

• Concealed Carry (CCW) Holders: Its compact size, robust construction, Shake Awake, Lock Mode, and long battery life make it an ideal choice for everyday carry, where reliability and immediate readiness are paramount. The ability to quickly acquire a target under stress is a significant advantage.
• Competitive Shooters: The Multi-Reticle System provides adaptability for different stages and target types, while the precise adjustments allow for dialing in accuracy for demanding courses of fire. Speed and accuracy gains are directly transferable to better scores.
• Law Enforcement & Personal Defense: For those who rely on their firearm for professional or personal protection, the HS507K X2 offers a tactical advantage, improving target acquisition speed and accuracy in high-stress situations, especially in varied lighting conditions.
• Recreational Shooters & Enthusiasts: Anyone looking to upgrade their subcompact pistol for improved performance at the range will find the HS507K X2 to be a valuable investment, enhancing the enjoyment and effectiveness of their shooting sessions.

Frequently Asked Questions About the Holosun HS507K X2

Is the Holosun 507K X2 durable enough for daily carry?

Absolutely. Constructed from 7075 T6 Aluminum, the HS507K X2 is designed to withstand the rigors of daily concealed carry, including bumps, knocks, and the constant recoil of a pistol. Its waterproof construction further adds to its reliability in various environmental conditions.

How does the Multi-Reticle System improve my shooting?

The MRS allows you to choose between a precise 2 MOA dot, a fast 32 MOA circle, or a combination of both. This versatility means you can select the optimal reticle for different shooting distances, target sizes, and lighting conditions, enhancing both speed for close-quarters engagements and precision for longer shots.

What is the advantage of the Holosun K footprint?

The K footprint is specifically designed for subcompact pistols, allowing the optic to sit lower and integrate more seamlessly with the slide. This often enables co-witnessing with standard-height iron sights and maintains a more streamlined profile for concealed carry.

How long does the battery last in the HS507K X2?

Thanks to the efficient Red Super LED, the HS507K X2 offers an exceptional battery life of up to 50,000 hours on a single CR1620 battery. This equates to over five years of continuous use on a medium brightness setting, meaning you'll rarely need to worry about changing the battery.

Can I change the battery without removing the optic?

Yes, the HS507K X2 features a side-mounted battery tray, allowing you to easily replace the CR1620 battery without having to detach the optic from your pistol. This ensures your zero remains unaffected, saving time and ammunition.

What does "Shake Awake" mean for practical use?

Shake Awake technology automatically turns the optic off after a period of inactivity to save battery life. However, the moment it detects any movement, it instantly powers back on to your last used brightness setting. This ensures your optic is always ready the moment you draw your firearm, without any manual intervention.

Is the HS507K X2 compatible with my Sig Sauer P365X/XL?

Yes, the Holosun HS507K X2 is a direct fit for Sig Sauer P365X and P365XL models, requiring no adapter plate for installation. For other pistols with a four-boss interface, an adapter plate will be necessary for mounting.

Conclusion: A Definitive Upgrade for Subcompact Pistols

The Holosun HS507K X2 Red Dot Sight is more than just an optic; it's a performance multiplier for your subcompact pistol. Its blend of innovative features like Lock Mode, the versatile Multi-Reticle System, and power-saving Shake Awake technology, coupled with its rugged 7075 T6 aluminum construction and impressive battery life, makes it an unparalleled choice. Whether you prioritize rapid target acquisition for defensive scenarios, pinpoint accuracy for competitive shooting, or simply want to enhance your range experience, the HS507K X2 delivers on all fronts. For those seeking a reliable, durable, and highly functional red dot sight tailored for compact handguns, the HS507K X2 represents a smart investment in your shooting capability. You can find this advanced optic and other premium firearm accessories at DEGuns, your trusted source for high-quality shooting equipment.

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Holosun HS507K X2 Specifications Overview

Feature	Specification
Model	HS507K X2
Color	Black Anodized
	Reticle Options	2 MOA Dot / 32 MOA Circle
Magnification	1x
Objective Lens	0.58" x 0.77"
Material	7075 T6 Aluminum
Mount Type	Holosun K Footprint
Brightness	10 Day / 2 Night Vision
Battery Life	50,000 hours
Battery Type	CR1620
Key Features	Lock Mode, Shake Awake, MRS
Adjustment	1 MOA per click
Max Windage Adj.	30 MOA
Max Elevation Adj.	30 MOA
Eye Relief	Unlimited
Parallax	Parallax Free
Proofing	Waterproof
Dimensions	1.60" (L) x 0.98" (W) x 0.95" (H)
Weight	1.0 oz
UPC	810047071211