In the sections ahead, I’ll break down what makes the best Holosun Optic for Glock 19 Gen 5, highlight the most important features, share reviews of the best models and provide a simple buying guide and FAQs to help narrow the choice.
For me, upgrading my Glock 19 Gen 5 starts with finding an optic that improves accuracy without sacrificing dependability. Holosun optics deliver exactly that with advanced technology, rugged construction and features tailored for everyday use.
Here is a summary of the Best Holosun Optic for Glock 19 Gen 5:
- Holosun SCS MOS Green Dot Sight – Best for MOS / slide-cut setups
- Holosun HE507C-GR X2 / HS507C X2 Reflex Sight – Best overall / most versatile
- Holosun HE508T X2 Multi-Reticle Red Dot Sight – Best for longer-range accuracy
- Holosun HS407K X2 Reflex Sight –Best compact / everyday carry
- Holosun EPS Carry 2 MOA Reflex Sight –Best budget carry option
- Holosun HS407C X2 / HE407C-GR X2 Sight –Best low-profile / duty use
Advantages of Holosun Optics for Glock 19 Gen 5
Faster Target Acquisition
One of the biggest advantages of using a Holosun optic on a Glock 19 Gen 5 is the speed it offers. The clear dot or reticle helps shooters get on target much quicker than traditional iron sights. In self-defense situations or competitive shooting, this speed can make all the difference, giving users a reliable edge in performance.
Improved Accuracy
Holosun optics provide a crisp and precise aiming point, often with a 2 MOA dot that allows for accurate shooting at longer distances. By reducing guesswork and improving sight alignment, the optic makes it easier for shooters to stay consistent and hit their targets with greater precision.
Long Battery Life
Another major advantage is the exceptional battery runtime, with most models offering up to 50,000 hours of use. This means shooters don’t have to constantly worry about replacing batteries. Combined with Shake Awake technology and solar backup, battery efficiency is maximized, ensuring the optic is always ready when needed.
Durability and Reliability
Holosun builds its optics with 7075 T6 aluminum housings, making them resistant to recoil, drops and rough handling. For Glock 19 Gen 5 users, this ensures the optic can withstand daily carry or range use without compromising performance. These optics are also often waterproof and dustproof, adding to their toughness.
Customizable Reticles
Some Holosun models feature a Multi-Reticle System, giving shooters the option to use a dot, a circle, or both together. This flexibility means users can adapt their aiming style depending on the situation, whether it’s fast shooting in close quarters or precise targeting at longer ranges.
Adaptability to Lighting Conditions
With multiple brightness settings and night-vision compatibility on certain models, Holosun optics adjust easily to any environment. Whether you are shooting under bright daylight, indoors or in low light, the reticle stays visible and easy to track, providing dependable performance across all scenarios.
Ease of Use
Holosun optics are designed with features like side-loading batteries, Lock Mode, and intuitive brightness controls. These small but important details make the optic easy to operate and maintain. For Glock 19 Gen 5 owners, this means less time worrying about adjustments and more time focusing on performance.
Lightweight Design
Despite their rugged construction, Holosun optics remain lightweight, often weighing just over an ounce. This ensures they do not affect the balance or handling of the Glock 19 Gen 5. Shooters get the benefit of enhanced aiming without compromising the pistol’s natural feel or ease of carry.
Key Features to Look for in the Best Holosun Optic for Glock 19 Gen 5
Durable Housing Material
A reliable optic must withstand recoil, drops, and everyday use. Holosun optics built with 7075 T6 aluminum housing provide exceptional strength while keeping the sight lightweight. This material resists scratches and corrosion, ensuring the optic lasts through years of shooting without losing performance.
Battery Life and Efficiency
Battery longevity is crucial for consistent performance. Many Holosun sights offer up to 50,000 hours of battery life powered by a CR1632 battery. With this extended runtime, shooters can rely on their optic without frequent battery changes, making it ideal for both range practice and defensive carry.
Solar Failsafe Technology
Holosun’s Solar Failsafe system ensures the reticle remains powered even if the battery runs low. In bright lighting conditions, the optic automatically draws power from natural or artificial light. This feature provides backup reliability and peace of mind in critical situations.
Shake Awake Technology
Energy efficiency is enhanced through Shake Awake, which automatically turns off the LED when the optic is idle. The sight reactivates instantly with movement or touch, ensuring it is ready when needed. This feature conserves battery life while keeping the optic prepared for quick response.
Reticle Options
Flexibility in aiming is important. Models with a Multi-Reticle System (MRS) allow users to switch between a precise 2 MOA dot, a 32 MOA circle or both combined. This customization supports fast target acquisition in close quarters and fine accuracy at longer distances.
Brightness Settings
Lighting conditions vary from bright daylight to low-light scenarios. Holosun optics come with multiple brightness levels, including settings compatible with night vision devices. This adaptability ensures the reticle remains visible and effective in any environment.
Parallax-Free Design and Eye Relief
Clear aiming is supported by a parallax-free design and unlimited eye relief. This means the reticle stays accurate regardless of eye position, allowing shooters to stay focused on the target. Quick target acquisition becomes easier, especially in high-stress or fast-paced situations.
Mounting Compatibility
A good optic must fit seamlessly on your firearm. Holosun reflex sights use an industry-standard footprint, making them easy to mount on Glock MOS systems and other compatible setups. This ensures a secure fit and stable performance without requiring complicated modifications.
Best Holosun Optic for Glock 19 Gen 5
1) Holosun SCS MOS Green Dot Sight
Get it on Amazon or Opticsplanet
The Holosun SCS MOS Green Dot Sight is a top choice for Glock 19 Gen 5 owners. It mounts directly to full-size Glock MOS slides without an adapter plate. The solar-powered system with multi-directional light sensors automatically adjusts brightness. This ensures a bright and clear sight picture in all lighting conditions.
Power management is a major advantage of the SCS MOS. The rechargeable battery lasts up to 20,000 hours. Solar charging allows near-continuous operation. The intensity override locks the sight at high brightness for 30 minutes. A low battery indicator provides early warnings. These features make it reliable for long shooting sessions.
The Multi-Reticle System adds flexibility for all shooting scenarios. The 32 MOA circle guides the eye to the 2 MOA dot for fast target acquisition. Either element can be deactivated for a clean sight picture or improved precision. Titanium housing and multilayer reflective glass increase durability, reduce glare and improve light transmission for a crisp reticle.
The Holosun SCS MOS is parallax-free and offers unlimited eye relief. It delivers accurate shots from any angle. With solar-powered efficiency, customizable reticles and rugged construction, it is one of the best green dot sights for Glock 19 Gen 5 shooters.
Pros
- Direct mount for full-size Glock MOS systems
- Solar-powered with 20,000-hour rechargeable battery
- Multi-Reticle System with 2 MOA dot and 32 MOA circle
- Titanium housing with multilayer reflective glass
- Parallax-free design with unlimited eye relief
Cons
- No night vision functionality
2) Holosun HE507C-GR X2 / HS507C X2 Reflex Sight
Get it on Amazon or Opticsplanet
The Holosun HE507C-GR X2(green dot) , also called the HS507C X2( red dot), is a high-performance reflex sight for full-size pistols. It is a top choice for Glock 19 Gen 5 owners. The sight mounts on a standard footprint. The 7075 T6 aluminum housing is strong and durable. Its side-mounted CR1632 battery tray makes replacing the battery fast and easy.
Power and efficiency are key benefits. Holosun’s Super LED lasts up to 50,000 hours. Solar Failsafe keeps the reticle powered if the battery is low. Brightness adjusts automatically. The 2 MOA red dot and 32 MOA circle remain visible in all lighting conditions. This makes it reliable for indoor and outdoor shooting.
The HS507C X2 features Shake Awake technology. The LED turns off when not in use to save battery. A light touch instantly reactivates the reticle. Lock Mode prevents accidental changes to settings. The Multi-Reticle System lets shooters choose the 2 MOA dot, 32 MOA circle or both. These features make fast aiming and precise targeting easier.
Parallax-free design and unlimited eye relief ensure accurate shots from any angle. The sight weighs only 1.44 ounces. It is lightweight yet rugged. Long battery life, solar backup, customizable reticles and strong construction make it one of the best Holosun optics for Glock 19 Gen 5.
Pros
- Durable 7075 T6 aluminum housing with anodized finish
- Super LED with 50,000-hour battery life and Solar Failsafe
- Shake Awake technology for extended battery efficiency
- Multi-Reticle System with 2 MOA dot and 32 MOA circle
- Lock Mode to prevent accidental setting changes
- Parallax-free design with unlimited eye relief
Cons
- No night vision compatibility
3) Holosun HE508T X2 Multi-Reticle Red Dot Sight
Get it on Amazon or Opticsplanet
The Holosun HE508T X2 is a hard-use green dot sight built for handguns. It is an excellent optic for Glock 19 Gen 5 users who want fast aiming and reliable accuracy. The sight mounts on a standard footprint and has a durable grade 5 titanium housing. It weighs only 1.6 ounces, combining strength with lightweight performance.
Power and efficiency are key strengths of the HE508T X2. Holosun’s Green Super LED provides up to 50,000 hours of battery life from a CR1632 battery. Solar Failsafe keeps the reticle powered if the battery runs low. Brightness adjusts automatically to match lighting conditions. The 2 MOA dot and 32 MOA circle remain visible in all environments, making it dependable indoors and outdoors.
The HE508T X2 includes Shake Awake technology. The LED turns off when not in use to conserve battery. A light touch instantly reactivates the reticle. Lock Mode prevents accidental changes to settings. The Multi-Reticle System allows shooters to select the 2 MOA dot, 32 MOA circle or both. These features make it versatile for quick targeting and precise shots at different ranges.
Parallax-free design and unlimited eye relief ensure accuracy from any angle. Its compact design, solar backup and customizable reticles make the HE508T X2 one of the best Holosun optics for Glock 19 Gen 5.
Pros
- Grade 5 titanium housing with industry-standard footprint
- Green Super LED with up to 50,000-hour battery life and Solar Failsafe
- Shake Awake technology for extended battery efficiency
- Multi-Reticle System with 2 MOA dot, 32 MOA circle or both
- Lock Mode to prevent accidental setting changes
- Parallax-free design with unlimited eye relief
Cons
- The larger circle reticle may feel cluttered for new shooters
4) Holosun HS407K X2 Reflex Sight
Get it on Amazon or Opticsplanet
The Holosun HS407K X2 is a compact red dot sight built for subcompact pistols. It is ideal for Glock 19 Gen 5 owners who want fast target acquisition in a small, lightweight package. The sight features a durable 7075 T6 aluminum housing with anodized finish. Its side-mounted CR1620 battery tray allows easy battery replacement without tools.
Power and efficiency are key features of the HS407K X2. Holosun’s Red Super LED provides up to 50,000 hours of battery life. Shake Awake technology extends battery life by deactivating the LED when not in use. A light touch instantly reactivates the reticle for immediate readiness. With 12 brightness settings, the crisp 6 MOA dot remains clear in any lighting condition.
The HS407K X2 also includes Lock Mode, which prevents accidental changes to settings during handling. Its multilayer reflective glass reduces glare, enhances light transmission and improves reticle clarity. The sight is parallax-free and offers unlimited eye relief, making accurate shots possible from any angle. It is compatible with P365X/XL directly and requires an adapter plate for four-boss interface slides.
Compact, efficient and durable, the Holosun HS407K X2 offers everything a Glock 19 Gen 5 shooter needs for reliable performance. Its combination of long battery life, Shake Awake, Lock Mode and high-quality glass make it one of the best Holosun optics for subcompact pistols.
Pros
- Durable 7075 T6 aluminum housing with anodized finish
- Red Super LED with up to 50,000-hour battery life
- Shake Awake technology for extended battery efficiency
- Crisp 6 MOA dot with 12 brightness settings
- Lock Mode to prevent accidental setting changes
- Parallax-free design with unlimited eye relief
Cons
- Requires adapter plate for slides with four-boss interface
5) Holosun EPS Carry 2 MOA Reflex Sight
Get it on Amazon or Opticsplanet
The Holosun EPS Carry 2 MOA is an enclosed green dot sight built for subcompact handguns. It is ideal for Glock 19 Gen 5 users who want precision in a slim, lightweight package. The sight has a durable 7075 T6 aluminum housing with an anodized finish. Its aspheric lens provides a clear sight picture, and the low dot height works with most factory iron sights.
Power and efficiency are key features. The EPS Carry uses Holosun’s Green Super LED with up to 50,000 hours of battery life from a CR1620 battery. Shake Awake technology turns off the LED when not in use to save power. A simple touch instantly reactivates the reticle. The 2 MOA dot stays sharp and visible in all lighting conditions.
This reflex sight includes a built-in rear notch sight and an RMSc-to-K footprint adapter plate for maximum compatibility. The multilayer reflective glass reduces glare and improves clarity. The sight is parallax-free and offers unlimited eye relief for accurate shots from any angle. It works with subcompact pistols like G43 MOS, G48 MOS, Hellcat, P365 X/XL and more.
Compact and reliable, the Holosun EPS Carry 2 MOA is one of the best optics for Glock 19 Gen 5 owners who need accuracy in a small package. Its long battery life, Shake Awake technology and quality construction make it a dependable choice.
Pros
- Durable 7075 T6 aluminum housing with anodized finish
- Green Super LED with up to 50,000-hour battery life
- Shake Awake technology for extended battery efficiency
- Crisp 2 MOA dot for precise aiming
- Built-in rear notch sight and adapter plate for compatibility
- Parallax-free design with unlimited eye relief
Cons
- Smaller viewing window can feel limiting for fast shots
6) Holosun HS407C X2 / HE407C-GR X2 Sight
Get it on Amazon or Opticsplanet ( Holosun HE407C-GR-X2) (Holosun HS407C-X2)
The Holosun HS407C X2 is an open reflex sight built for full-size pistols. It is ideal for Glock 19 Gen 5 users who want quick target acquisition. The sight has a durable 7075 T6 aluminum housing with an anodized finish. The 0.63 x 0.91-inch window provides a clear view. Its parallax-free design and unlimited eye relief ensure accurate shots from any angle.
Power and efficiency are major advantages. The Red Super LED lasts up to 50,000 hours. Solar Failsafe gives backup power when natural or artificial light is available. Shake Awake turns off the LED when not in use. A simple touch reactivates the reticle instantly. The 2 MOA dot stays bright in all lighting conditions.
The sight includes Lock Mode to prevent accidental setting changes. It offers 12 brightness levels, including night-vision compatible settings. The housing is submersible up to 1 meter. It can handle extreme temperatures from -30C to 60C during use and -40C to 70C in storage. The HS407C X2 works with Picatinny and Weaver mounts.
Compact, durable and reliable, the Holosun HS407C X2 is a great choice for Glock 19 Gen 5 owners. Its long battery life, backup power, Shake Awake technology and wide viewing window make it a dependable optic.
Pros
- Durable 7075 T6 aluminum housing with anodized finish
- Red Super LED with up to 50,000-hour battery life
- Solar Failsafe and Shake Awake technology for reliable power
- Crisp 2 MOA dot for accurate aiming
- Lock Mode prevents accidental setting changes
- Wide 0.63 x 0.91-inch viewing window with unlimited eye relief
Cons
- Slightly larger footprint than some compact optics
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Frequently Asked Questions
Which Holosun optic is the best overall choice for a Glock 19 Gen 5?
The Holosun HS507C X2 is often recommended as the best overall optic for a Glock 19 Gen 5. It offers a versatile Multi-Reticle System, long battery life, Shake Awake technology and Solar Failsafe for backup power. Its durability and clear 2 MOA dot make it a reliable choice for both everyday carry and range use.
Are Holosun optics durable enough for concealed carry and duty use?
Yes, Holosun optics are built with 7075 T6 aluminum housings that provide excellent shock resistance, waterproofing and long-term durability. They are designed to handle daily wear, recoil and harsh environments, making them highly reliable for concealed carry or duty use on a Glock 19 Gen 5.
Do Holosun optics fit directly on the Glock 19 Gen 5 MOS slide?
Most Holosun optics, including the HS507C X2 and EPS Carry, are compatible with the MOS system found on Glock 19 Gen 5 pistols. Depending on the model, you may need an adapter plate to achieve a perfect fit. Once mounted, they align well with the pistol and allow co-witnessing with many factory iron sights.
Conclusion
Owning a Glock 19 Gen 5 already puts you ahead with one of the most trusted handguns on the market, but pairing it with a Holosun optic takes things to another level. These sights are not just about adding convenience, they give you faster target acquisition, sharper accuracy and the peace of mind that your pistol is ready in any condition.
If you want a balanced mix of innovation and reliability, the HS507C X2 is the best overall pick. For shooters looking for affordability with solid performance, the HS407K X2 is a great budget friendly option. And for those who want premium clarity and a slim enclosed design, the EPS Carry 2 MOA delivers top performance. With Holosun, your Glock 19 Gen 5 becomes more than a firearm, it becomes an extension of your precision and control.