If you’re considering adding a Holosun red dot to your Glock 43X, you are in the right place. In this guide, we will walk you through the best Holosun red dots for Glock 43x and help you find the right model for your needs.
What Makes the Glock 43X Unique
To pick the right red dot, you have to appreciate what the 43X brings:
- Slide size & optics-ready options: If you have the MOS version, the slide is cut for optics, but knowing what footprint it’s cut for is key.
- Compact size constraints: The 43X is relatively slim and short, so bulk or tall optics can interfere with carry, snagging, or holster compatibility. Low profiles are preferred.
- Combat between visibility and concealability: You’ll a red dot that’s crisp, bright, usable in daylight and dim conditions, but without overshooting with huge glass that makes the slide too tall or heavy.
Why Holosun?
Holosun red dot sights stand out for the following reasons:
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Feature-rich for the price: These sights often deliver premium features while staying more affordable than some competitors.
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Durability: Furthermore, the best Holosun red dots for Glock 43x have a good track record for ruggedness, weather resistance, and being serviceable. For a carry or compact pistol like the 43X, being able to withstand recoil, drops, and exposure matters.
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Optic footprint & mounts: On top of that, Holosun offers several models in different footprints and mounting interfaces. Matching the footprints to your slide or using an adapter is crucial for secure mounting.
Best Holosun Red Dots for Glock 43x
1. HOLOSUN HE507C-GR X2 Open Reflex Pistol Sight
The HE507C-GR X2 is the best Holosun red dot for Glock 43x. It is a feature-packed green dot sight that combines rugged construction with advanced optics, making it an excellent choice for both everyday carry and range use.
Built with a durable 7075 aluminum housing and finished in hard anodizing, it’s designed to handle recoil and rough handling without losing zero. Furthermore, the buttons are tactile yet low-profile, minimizing accidental presses while still being user-friendly.
Regarding reticle, the green reticle is sharp and highly visible in bright daylight, while the multi-reticle system lets you switch between a 2 MOA dot, a 32 MOA circle, or a circle-dot combination for maximum versatility. The sight also features Shake Awake technology, which conserves battery life by powering down when not in use and instantly reactivates at the slightest movement.
With a solar fail-safe backup, you get added reliability even when the battery runs low, making it dependable for critical applications. Over and above that, the side-loading battery tray makes battery replacement easy without needing to unmount the optic, a thoughtful upgrade over older designs.
Pros
- Parallax-free performance and unlimited eye relief
- Premium performance at a fair price point
- Durable build quality
- Side-loading battery compartment
Cons
- Limited sighting window
2. HOLOSUN HE407C-GR X2 Open Reflex Sight
The HOLOSUN HE407C-GR X2 is a compact and highly efficient red dot sight that combines durability, performance, and user-friendly features.
Built with a rugged 7075 aluminum housing, it’s designed to handle heavy recoil and tough environments without losing zero. Additionally, its compact design makes it an excellent fit for this pistol and the green dot is easier for many shooters to pick up compared to traditional red dots.
The 2 MOA dot provides sharp clarity, making target acquisition fast and precise in both bright daylight and low-light conditions. Furthermore, its Solar Failsafe technology, which uses ambient light to power the optic, ensures that you always have a reliable aiming point even if the battery runs low.
Other handy features it is coupled with are Shake Awake technology, long 50,000 hours battery life, and a side-mounted battery tray that allows for quick replacement without removing the optic.
Pros
- Versatile for self-defense, competition shooting, or range practice
- Crisp sight picture
- Reliable performance
- Generous battery life
- Premium features at a price point that stands out in its class
Cons
- The green dot may not be suitable for all lighting conditions
3. HOLOSUN HS407K X2 Red 6 MOA Dot Open Reflex Optical Sight
Next, we have the HOLOSUN HS407K X2 Red 6 MOA Dot Open Reflex Sight. This is a compact and durable optic designed specifically for subcompact pistols.
Its 6 MOA red dot is highly visible and easy to pick up quickly, which is especially beneficial in fast target acquisition scenarios. The X2 series also features Holosun’s Shake Awake technology, ensuring the sight powers on instantly with movement and conserves battery when idle.
With up to 50,000 hours of battery life and a convenient side battery tray, users won’t have to worry about frequent replacements. Besides, the multi-coated lens provides a crisp sight picture, and the aluminum housing gives it solid durability without adding bulk.
Another impressive feature of the HS407K X2 is its intuitive controls and reliability under various conditions. The optic is parallax-free and offers unlimited eye relief, allowing shooters to maintain situational awareness and accuracy. It also features a low-profile design that allows it to co-witness with many standard-height iron sights.
Pros
- Simplified controls for ease of use
- Built to withstand recoil and environmental stress
- Versatile use
- Long battery life
Cons
- The 6 MOA dot, while excellent for speed, may feel too large for shooters who prefer precision at extended ranges
4. HOLOSUN HE407K-GR-X2 6MOA Green Dot-Only Open Reflex Sight
As one of the best Holosun red dots for Glock 43x, the HE407K-GR-X2 6MOA Green Dot Open Reflex Sight is designed with compact handguns in mind, offering shooters a reliable and fast target acquisition system.
Its 6MOA green dot is highly visible in varying lighting conditions, making it easy to pick up quickly during defensive shooting or competitive scenarios. The sight also features Holosun’s Shake Awake technology, which automatically powers on with motion and powers down when idle, preserving battery life.
Paired with an impressive battery runtime of up to 50,000 hours, it ensures long-term performance without frequent replacements. Besides, the multi-coated lens provides a crisp, clear sight picture for accurate target identification.
Moreover, the sight features a durable aluminum housing that is rugged enough to withstand recoil and everyday use. It is also designed with shooter-friendly features, including side-mounted battery access, which eliminates the need to remove the optic for battery changes.
Pros
- Bright and highly visible 6MOA green dot for quick target acquisition
- Shake Awake technology extends battery life
- Compact and slim design ideal for concealed carry pistols
- Side battery tray allows easy replacement without re-zeroing
- Durable aluminum housing with multi-coated lens
- Multiple brightness settings for various lighting conditions
Cons
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Slightly higher price compared to basic red dots
5. HOLOSUN EPS Carry 2 MOA Dot Reflex Pistol Sight
The HOLOSUN EPS Carry 2 MOA Dot Reflex Pistol Sight is built with concealed carry and compact pistols in mind. It offers a sleek, low-profile design that doesn’t add unnecessary bulk to your firearm.
The 2 MOA red dot provides excellent precision, making it ideal for both defensive shooting and range use. This reticle is crisp and bright so it remains easy to track in different lighting conditions, including direct sunlight.
Regarding construction, the enclosed emitter design ensures reliability in all environments by keeping dirt, dust, and moisture from interfering with the reticle. Besides, its robust aluminum housing gives it a durable, battle-ready feel without being overly heavy.
The sight integrates seamlessly with most carry pistols thanks to its slim footprint. It also boasts a long battery life, solar failsafe backup, and the side-loading battery tray that eliminates the need to remove the optic for battery changes.
Pros
- Tactile and intuitive design
- Compact and lightweight, ideal for concealed carry pistols
- Crisp 2 MOA dot for precise aiming
- Long battery life with Shake Awake technology
- Durable housing with multiple brightness settings
- Low profile, compatible with many holsters
Cons
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Small dot not suitable for shooters with aging eyes
6. HOLOSUN HE507COMP-GR Reflex Pistol Sight
Lastly, we have the HOLOSUN HE507COMP-GR Reflex Pistol Sight. It stands out as the best Holosun for Glock 43x for shooters who demand precision, speed, and durability.
The sight features a large competition-ready viewing window, which provides a wide field of view for faster target acquisition and enhanced situational awareness. Besides, the green reticle is crisp and clear, offering multiple reticle options to suit different shooting preferences and environments.
Coupled with Holosun’s signature Shake Awake technology, the sight powers on instantly when motion is detected and conserves battery life when idle. Its solar failsafe system ensures the optic remains powered even in challenging light conditions, adding an extra layer of reliability.
Furthermore, the rugged aluminum housing is built to withstand recoil and rough handling, making it a trustworthy companion for both competitive shooters and everyday carriers.
Performance-wise, the HE507COMP-GR delivers excellent clarity and brightness settings, which can be easily adjusted for both daylight and low-light shooting. The sight also maintains zero reliably, even after extended use and repeated recoil, which is critical for shooters who require consistent accuracy.
Pros
- Parallax-free design
- Straightforward installation process
- Versatile, feature-rich option that blends innovation with rugged practicality
- Long battery life
- Large sighting window
Cons
- Expensive for casual buyers
Key Factors to Consider when Choosing the Best Holosun Red Dots for Glock 43x
Size and Weight
When selecting a Holosun red dot for your Glock 43x, the first factor to consider is size and weight. Since the Glock 43x is a compact handgun designed for concealed carry, the optic should be slim, lightweight, and low-profile to avoid adding unnecessary bulk or affecting your ability to carry comfortably.
Durability
Another important aspect is durability. The best Holosun red dots for Glock 43x carry gun must withstand daily use, recoil, and potential impacts. Holosun optics are known for their rugged build, often featuring aircraft-grade aluminum or titanium housings, which provide the toughness required for long-term reliability.
Reticle Options
The reticle options also play a big role in usability. Holosun offers models with multiple reticle systems, such as a simple 2 MOA dot or a circle-dot reticle. The right choice depends on your shooting preferences as some shooters prefer a clean dot for precision, while others appreciate the circle-dot for quicker target acquisition.
Battery Life
Equally important is the battery life and power options. The best Holosun red dots for Glock 43x are popular for their exceptional battery performance, often lasting up to 50,000 hours on a single cell. Many models also include “Shake Awake” technology and solar backup, ensuring your optic is ready whenever you need it.
Ease of Mounting
Next, you’ll also want to consider the ease of mounting and compatibility. Since the Glock 43x MOS comes optics-ready, choosing a Holosun model that fits directly or with minimal adjustment ensures a secure installation and reduces the need for aftermarket plates or custom fitting.
Optical Clarity
The optical clarity and brightness settings are critical for fast and accurate shooting. Look for a Holosun with crisp glass, anti-glare coatings, and multiple brightness levels, including night-vision compatibility if needed. This ensures visibility in different lighting conditions, from bright sunlight to low-light environments.
Budget
Last but not least, budget and value for money should not be overlooked. While Holosun provides excellent performance at a competitive price compared to other premium optics, it’s wise to balance features with affordability. Choosing a model that meets your needs without overpaying ensures you get the best value for your investment.
Best Holosun Red Dots for Glock 43x FAQs
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Will using an adapter or grinding the lugs affect the sight alignment or co-witness with iron sights?
Yes. The height and placement of the adapter affects the height of the red dot relative to the iron sights. Some setups allow co-witnessing where iron sights and the dot align better than others.
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What dot/reticle size is good for the 43X?
Many people use the Glock 43X for concealed carry. They get better precision at distance with a smaller 2 or 3 MOA dot, but they might find it harder to pick up quickly under stress. Larger dot like 6 MOA, are faster for close-up or low-light scenarios.
- What brightness settings re good for the 43X?
At least 8 brightness settings. You’ll want multiple levels, including very dim ones for indoor/low-light and bright enough for daylight.
Conclusion
To wrap up, choosing the best Holosun red dot for your Glock 43X comes down to finding the perfect balance between performance, durability, and personal preference. Holosun optics are well-known for their rugged build, long battery life, and advanced features making them a smart upgrade for everyday carry or range use. Look at the attributes of each model and settle for one that enhances your accuracy, speed, and confidence every time you draw your Glock 43X.