When I first started looking for the Best Holosun for Glock 19 Gen 5, I quickly understood why so many shooters rely on these optics. Holosun reflex sights offer the clarity and confidence I need, whether I am carrying daily or spending time at the range. They are durable, easy to use and designed to make every shot more accurate without slowing me down.
In this article, I will break down the key features that matter most, share the best Holosun models for the Glock 19 Gen 5, provide a straightforward buying guide to make your choice easier and answer common questions shooters often ask.
Advantages of Holosun Optics for Glock 19 Gen 5
Durable Construction
Holosun sights are built with strong materials like titanium and 7075 T6 aluminum. These housings provide excellent resistance to impact and daily wear while keeping the optic lightweight. For Glock 19 Gen 5 owners, this means the sight can handle both training use and defensive carry without becoming a weak point on the pistol.
Multi-Reticle Flexibility
Many Holosun models feature the Multi-Reticle System, which allows shooters to switch between a 2 MOA dot, a 32 MOA circle, or a combination of both. The circle is helpful for quick target acquisition at close range, while the fine dot offers accuracy for longer shots. This flexibility makes one optic suitable for different shooting needs.
Long Battery Life
Battery performance is one of Holosun’s strongest advantages. Models like the HE508T X2 and HS507C X2 can run up to 50,000 hours on a single CR1632 battery. This gives shooters confidence that the optic will be ready when needed, without frequent replacements or interruptions.
Solar Failsafe Backup
Holosun integrates solar panels into several of its optics, providing a backup power source if the battery fails. The Solar Failsafe system automatically adjusts brightness based on available light, keeping the reticle visible in both bright and dim conditions. This feature adds reliability, especially in defensive situations.
Shake Awake Technology
The Shake Awake system helps conserve battery life by putting the optic into sleep mode when not in use. Even the smallest movement reactivates the reticle instantly, so the sight is always ready without draining power unnecessarily. For everyday carry on a Glock 19 Gen 5, this feature ensures the optic is dependable without manual adjustments.
User-Friendly Controls
Features like Lock Mode and side-mounted battery trays make Holosun sights practical and easy to use. Lock Mode prevents accidental setting changes, while side-loading trays allow battery replacement without removing the optic. These details improve the overall shooting experience and reduce downtime.
Clear Glass and Bright Reticles
Holosun optics use multilayer reflective glass that reduces glare, improves light transmission and enhances clarity. Combined with high-intensity LED reticles, shooters get a crisp, bright aiming point in different environments. This clarity helps maintain focus and accuracy with the Glock 19 Gen 5 in both daylight and low-light scenarios.
Key Features to Look for in the Best Holosun for Glock 19 Gen 5
Housing Material
Durability is one of the first things to check when choosing a Holosun sight. Models made with titanium or 7075 T6 aluminum housings provide solid protection against drops, recoil and everyday wear. This ensures the optic can last for years while keeping your Glock 19 Gen 5 reliable in both training and defensive use.
Reticle Options
Holosun’s Multi-Reticle System gives shooters the ability to switch between a 2 MOA dot, a 32 MOA circle or a combination of both. This flexibility allows you to choose the reticle that best fits your shooting style for precise accuracy or a circle for fast target acquisition.
Battery Performance
Battery life is another important feature. Many Holosun optics can run up to 50,000 hours on a single battery. A long-lasting battery means less worry about sudden power loss and fewer replacements. Look for models with side-loading trays so you can swap the battery without removing the sight.
Solar Failsafe
Several Holosun sights include a Solar Failsafe panel that powers the reticle using ambient light. This feature not only extends battery life but also ensures the sight remains active even if the battery runs out. For Glock 19 Gen 5 owners, it adds an extra layer of confidence that the optic will stay on when needed.
Shake Awake Technology
Shake Awake automatically puts the optic to sleep when not in use and instantly activates the reticle when the firearm is moved. This saves battery life and ensures your sight is always ready. It’s especially valuable for everyday carry where reliability is critical.
Optical Clarity
Clear glass and bright reticles are essential for accuracy. Holosun optics use multilayer coatings to reduce glare, enhance light transmission, and give a crisp aiming point. Whether in low light or bright daylight, optical clarity helps Glock 19 Gen 5 shooters stay focused on their target.
Best Holosun for Glock 19 Gen 5
1. HOLOSUN HE407C-GR X2 / HS407C X2 Reflex Sight

The HOLOSUN HE407C-GR X2 / HS407C X2 is a top-tier reflex sight that pairs exceptionally well with the Glock 19 Gen 5. Built for durability and precision, this optic offers a wide field of view, making target acquisition both faster and more accurate. The 2 MOA dot reticle is crisp and sharp, providing a clean sight picture for both range practice and real-world scenarios.
One of the highlights of this sight is its combination of long battery life and solar technology. Powered by a CR1632 battery with up to 50,000 hours of life, the optic also features Solar Failsafe, ensuring reliable operation even if the battery runs low. Whether you are in bright daylight or lower light environments, the auto-adjusting reticle intensity keeps visibility clear and balanced.
The Shake Awake technology is another feature Glock 19 Gen 5 owners will appreciate. When the optic is not in use, it powers down to save battery, but the slightest movement instantly brings it back to life. This makes the sight always ready without unnecessary power drain. Additionally, Lock Mode prevents accidental button presses, a useful safeguard during high-pressure use.
Durability is a key strength of the HS407C X2. Constructed with 7075 T6 aluminum, finished with anodizing and rated IP67 for water resistance, it can withstand tough environments while remaining lightweight. Its parallax-free design and unlimited eye relief add to user comfort, while the large window size ensures a clear view of your target.
Overall, the HOLOSUN HE407C-GR X2 / HS407C X2 is an excellent fit for Glock 19 Gen 5 owners seeking a rugged, reliable and feature-rich reflex sight. It balances performance, endurance and price in a way that makes it one of the best in its category.
Pros
- Crisp 2 MOA dot for fast, precise aiming
- 50,000-hour battery with Solar Failsafe backup
- Shake Awake for instant activation
- Lock Mode to avoid accidental changes
- Durable 7075 T6 aluminum housing
- Clear, parallax-free sight window
- IP67 water-resistant for all-weather use
- Lightweight and Glock 19 Gen 5 ready
Cons
- Beginners may need time to adjust to settings
2. HOLOSUN EPS Carry 2 MOA Reflex Sight

The HOLOSUN EPS Carry 2 MOA is a compact enclosed reflex sight that brings impressive performance to handguns like the Glock 19 Gen 5. Designed for reliability in a slim package, it offers shooters a clear, crisp sight picture with its aspheric lens and ultra-low dot height. This makes it compatible with most factory iron sights, so you get a clean co-witness without needing extra modifications.
Durability is a key strength of this optic. Built from 7075 aluminum with an anodized finish, the EPS Carry is both lightweight and rugged. It includes a built-in rear notch sight for backup aiming and comes with an RMSc-to-K adapter plate for broad mounting compatibility. Despite its compact size, it is tough enough to withstand demanding use on carry pistols and defensive setups.
Performance is backed by Holosun’s well-regarded Super LED system. The green 2 MOA dot is bright, sharp, and easy to track, even in variable lighting. Paired with multilayer reflective glass, the optic delivers excellent light transmission while reducing glare. The EPS Carry runs on a CR1620 battery, offering up to 50,000 hours of life, and features 12 brightness settings including options for low-light environments.
Practical shooters will appreciate the Shake Awake technology, which conserves power by putting the sight to sleep when not in use and instantly reactivates it with even slight movement. This ensures the sight is always ready without wasting battery life. Combined with parallax-free viewing and unlimited eye relief, the EPS Carry is a dependable tool for those who want precision without sacrificing speed.
In summary, the Holosun EPS Carry 2 MOA is an excellent choice for Glock 19 Gen 5 owners who want a compact yet durable enclosed reflex sight. It blends clarity, endurance and efficiency in a package that complements both everyday carry and range use.
Pros
- Compact design for concealed carry
- Bright 2 MOA green dot
- Works with most factory iron sights
- Rugged 7075 aluminum housing
- Shake Awake saves battery life
- 50,000-hour runtime with CR1620 battery
- Anti-glare reflective glass
- Includes RMSc-to-K adapter
Cons
- Smaller window than full-sized reflex sights
3. HOLOSUN HS407K X2 Red Dot Sight

The HOLOSUN HS407K X2 is a compact open reflex sight that delivers strong performance for shooters who want reliability in a smaller package. While it was originally designed for subcompact pistols, it also works well with the Glock 19 Gen 5 when paired with the proper adapter plate. Its lightweight build and low-profile design make it ideal for everyday carry while still offering the precision needed for range or defensive use.
One of the defining features of the HS407K X2 is its 6 MOA red dot reticle. Larger than the standard 2 MOA, this dot size provides faster target acquisition, which is especially useful in close-range scenarios. The reticle remains crisp and clear thanks to Holosun’s high-quality multilayer reflective glass that enhances clarity, reduces glare and helps maintain efficiency.
Durability is built into the design. The optic is housed in 7075 T6 aluminum with an anodized finish, giving it the toughness to handle regular use without compromising weight. The side-mounted battery tray allows for quick replacement of the CR1620 battery, which offers up to 50,000 hours of operation depending on settings. With 12 brightness levels, including two suitable for low-light environments, the HS407K X2 adapts to different conditions with ease.
Practical features like Shake Awake technology make this sight dependable for daily carry. The LED powers down automatically when not in use, conserving battery life and instantly reactivates with the slightest movement. Lock Mode adds another layer of convenience by preventing accidental button presses, which is helpful when carrying or drawing your Glock 19 Gen 5.
This sight combines simplicity, reliability and durability in a small footprint. For Glock 19 Gen 5 users who value fast target acquisition and long battery life in a rugged optic, this red dot is an excellent option.
Pros
- 6 MOA red dot for fast target acquisition
- Shake Awake saves power and ensures readiness
- Lock Mode avoids accidental changes
- Strong 7075 T6 aluminum housing
- 12 brightness settings for all lighting
- 50,000-hour battery with side tray replacement
- Lightweight, compact design for daily carry
Cons
- Needs adapter plate for Glock 19 Gen 5 with four-boss interface
4. HOLOSUN SCS MOS Green Reflex Sight

The HOLOSUN SCS MOS Green Reflex Sight is built specifically for Glock MOS pistols, including the Glock 19 Gen 5. Unlike many optics that need adapter plates, this sight mounts directly to the slide for a lower, more natural fit. It delivers advanced technology through solar charging, an internal rechargeable battery and a versatile reticle system, making it a premium choice for Glock users who want performance without compromise.
This model uses a multi-reticle system that allows shooters to switch between a precise 2 MOA dot, a fast 32 MOA circle or a combination of both. The circle is useful for quick target acquisition at close distances, while the dot ensures accuracy on longer shots. Having both options in one sight gives flexibility depending on the shooting environment.
Power efficiency is another strength. The solar charging system, paired with an internal rechargeable battery rated for up to 20,000 hours, provides near-continuous operation with minimal upkeep. Multi-directional sensors automatically adjust brightness to match the lighting conditions, while a low power indicator alerts you well in advance when charging is needed.
Durability is also a priority with the SCS MOS. Its titanium housing provides strength while keeping weight low, and the multilayer reflective glass lenses enhance clarity while reducing glare. Together, these features ensure the optic can handle both defensive use and heavy range sessions.
Overall, the HOLOSUN SCS MOS Green Reflex Sight combines reliable power management, reticle versatility, and rugged construction in a design made to fit Glock 19 Gen 5 pistols seamlessly. It is an excellent option for shooters who want a modern optic that requires little maintenance while delivering consistent performance.
Pros
- Direct mount to Glock MOS slides, no adapter needed
- Solar charging system with rechargeable internal battery
- Multi-reticle system with dot and circle choices
- Automatic brightness adjustment for changing light
- Titanium housing with clear, glare-resistant glass
- Low power indicator for added reliability
Cons
- Solar charging effectiveness depends on light exposure
5. HOLOSUN HE508T X2 Reflex Sight

The Holosun HE508T X2 is built for shooters who want a durable and versatile optic for their Glock 19 Gen 5. It features a Grade 5 titanium housing that delivers excellent strength without adding unnecessary bulk. With an industry-standard footprint, it mounts securely while maintaining the balance of the pistol.
Clarity and adaptability make this optic stand out. Equipped with Holosun’s Multi-Reticle System, the HE508T X2 lets users switch between a 2 MOA dot, a 32 MOA circle or a combination of both. The large circle helps with fast target acquisition in close encounters, while the fine dot supports precise shots at longer distances.
Power efficiency is another highlight. The sight runs on a CR1632 battery that offers up to 50,000 hours of use. It also includes Solar Failsafe technology, which keeps the reticle active using natural or artificial light if the battery fails. Shake Awake adds even more reliability by putting the optic to sleep when idle and instantly reactivating it with movement.
Practical details enhance everyday performance. Lock Mode prevents accidental adjustments, while 10 daylight brightness settings and 2 night-vision levels adapt to different environments. With parallax-free viewing and unlimited eye relief, the sight keeps focus sharp and clear. Weighing just 1.6 ounces, it adds accuracy without weighing down the pistol.
The Holosun HE508T X2 is a dependable upgrade for Glock 19 Gen 5 shooters who want durability, versatility, and power efficiency in one package. With its titanium frame, multiple reticle options, and battery-saving technologies, it balances toughness with precision for both carry and range use.
Pros
- Strong yet lightweight titanium housing
- Multi-Reticle System with 2 MOA dot, 32 MOA circle, or both
- 50,000-hour battery with CR1632 cell
- Solar Failsafe for backup power in bright light
- Shake Awake extends battery life and ensures readiness
- Lock Mode avoids accidental changes
- 12 brightness settings with night-vision support
- Clear, parallax-free viewing and unlimited eye relief
Cons
- Higher price than entry-level optics
6. HOLOSUN HE507C-GR X2 / HS507C X2 Reflex Sight

The Holosun HE507C-GR X2 and HS507C X2 are reliable open reflex sights designed for full-sized handguns like the Glock 19 Gen 5. They combine durability, flexibility and power efficiency in a package that suits both everyday carry and range use. Made from 7075 T6 aluminum with an anodized finish, these optics are lightweight yet tough enough for demanding shooting conditions.
One of the highlights of this model is Holosun’s Multi-Reticle System. Users can choose between a precise 2 MOA dot, a 32 MOA circle, or a circle-dot combination. This flexibility supports different shooting scenarios. The circle helps guide the eye quickly for close encounters, while the fine dot is excellent for longer-range precision.
Power management is another strength. The sight runs on a CR1632 battery that provides up to 50,000 hours of life. It also includes Solar Failsafe technology, which ensures the reticle remains visible even if the battery fails, using available light to power the optic. Shake Awake extends battery life further by putting the sight to sleep when not in use and instantly reactivating it with movement.
The HS507C X2 also adds Lock Mode, which prevents unintentional setting changes during handling or holstering. With 10 daylight brightness levels and 2 that are night-vision compatible, the optic adapts to different environments with ease. The parallax-free design and unlimited eye relief ensure that shooters can maintain accuracy and focus without strain.
This sights prove to be excellent choices for Glock 19 Gen 5 owners who want a proven, versatile reflex sight. With long battery life, backup solar power and multiple reticle options, these optics are built to deliver consistent performance in defensive and training situations alike.
Pros
- Multi-Reticle System with 2 MOA dot, 32 MOA circle, or both
- Rugged 7075 T6 aluminum housing
- 50,000-hour CR1632 battery life
- Solar Failsafe for backup power in bright light
- Shake Awake saves energy and ensures readiness
- Lock Mode prevents accidental changes
- 12 brightness settings with night-vision support
- Parallax-free design with unlimited eye relief
Cons
- Needs adapter plate for some Glock slide setups
Next read: 7 Best Holosun Pistol Red Dots
Frequently Asked Questions (FAQs)
Which Holosun model is best suited for the Glock 19 Gen 5?
The HOLOSUN HS507C X2 is one of the most popular choices for the Glock 19 Gen 5. It offers a durable aluminum housing, long battery life, multiple reticle options and features like Shake Awake and Solar Failsafe, making it highly reliable for everyday carry and range use.
Does a Holosun sight fit directly on the Glock 19 Gen 5?
Yes, most Holosun reflex sights use the industry-standard RMR footprint, which is compatible with the Glock 19 Gen 5 MOS system. However, you may need the correct mounting plate depending on the specific model of your Glock.
How long does the battery last on a Holosun red dot for Glock 19 Gen 5?
Many Holosun sights can run up to 50,000 hours on a single CR1632 battery. With Shake Awake and Solar Failsafe technology, the battery life is extended even further, reducing the need for frequent replacements.
Can Holosun optics handle the recoil of the Glock 19 Gen 5?
Yes. Holosun sights are built with rugged aluminum or titanium housings that withstand the recoil of handguns like the Glock 19 Gen 5. They are designed for real-world use and are trusted by both professional shooters and everyday carriers.
Are Holosun sights good for low-light or night shooting?
Holosun optics feature multiple brightness settings, including options compatible with night vision devices. The reticle automatically adjusts in Auto Mode with Solar Failsafe, ensuring visibility in both bright sunlight and low-light conditions.
Conclusion
After going through the options, it is clear why Holosun reflex sights are a game changer for Glock 19 Gen 5 owners. They combine durability, long battery life and flexible reticle systems with user-friendly features like Solar Failsafe, Shake Awake and Lock Mode. These sights make it easier to stay accurate in any setting, whether for everyday carry, training or range use.
If I had to recommend just one, the Holosun HE508T X2 stands out as the best overall choice thanks to its titanium housing and versatile reticle system. For shooters who want a reliable option without stretching the budget, the Holosun HS407C X2 delivers strong performance at an affordable price. And for those looking for the premium experience, the Holosun EPS Carry offers a compact enclosed design with exceptional clarity and endurance.
With any of these models, you can trust your Glock 19 Gen 5 to be equipped with an optic that adds confidence, precision and consistency to every shot.