Looking for the best red dot sight for Glock G40 Gen4 MOS? Read on, this comprehensive buying guide is for you.
The Glock 39 is a powerful 10mm handgun designed for hunting and long-range shooting. Accessorizing it with the right optics is key to enhance its performance and reliability in different shooting scenarios. This is where a red dot sight comes in handy.
Selecting a compatible and durable red dot sight is crucial to maximize its performance. Adding a red dot to your Glock G40 Gen4 MOS not only improves accuracy and speed but also enhances overall shooting confidence.
Best Red Dot Sights for Glock G40 Gen4 MOS
Below, we’ll explore the best red dot sights compatible with the for Glock G40 Gen4 MOS, considering factors like durability, size, battery life, and ease of installation to help you find the perfect optic for your setup.
Let’s get started.
1)Trijicon RMR Type 2 Adjustable LED Red Dot – Best Overall
The Trijicon RMR Type 2 is the best red dot sight for Glock G40 Gen 4 MOS. It stands out as a high-performance red dot sight designed for rugged reliability and precision in both tactical and everyday use.
The selling point of this optic is its robust construction. Built from forged aluminum and engineered to withstand extreme conditions, it lasts long and maintains zero even under heavy recoil.
The 3.25 MOA dot strikes a practical balance between fast target acquisition and accuracy at distance, while the adjustable LED brightness settings offer excellent versatility in varying light conditions. Notably, the upgraded electronics and battery contacts in the Type 2 significantly improve durability over the original RMR.
Furthermore, this optic excels is in its adaptability and user-centered design. It is compatible with a wide range of mounting systems and co-witness setups, and the top-loading battery design on newer models ensures that users don’t need to re-zero when changing batteries.
Pros
- Exceptional performance and reliability
- Bright and crisp dot
- Intuitive controls
- Robust and virtually indestructible housing
- Long battery life
Cons
- Sits at a premium price point
2)Aimpoint Acro P2 Red Dot Reflex Sight – Best Enclosed Emitter
The Aimpoint ACRO P-2 3.5 MOA Red Dot Reflex Sight is a premium optic for shooters seeking a rugged, reliable, and high-performance red dot sight.
Its fully enclosed design, constructed from high-strength 7075-T6 aluminum and a Cerakote H-Series coating ensure durability against harsh environmental conditions, including submersion up to 35 meters (115 feet).
Furthermore, the sight is built with ease of use in mind. It has a compact and lightweight profile that makes it easy to mount. The 3.5 MOA red dot provides a crisp and clear aiming point, facilitating rapid target acquisition and accuracy in diverse lighting conditions. It is supported by 10 brightness settings, including 4 night vision-compatible options.
Performance-wise, the ACRO P-2 impresses with its exceptional battery life, offering up to 50,000 hours (over 5 years) of continuous operation on a single CR2032 battery. The battery can be replaced without removing the optic, preserving zero.
Pros
- Intuitive controls
- Tactile brightness adjustment buttons that are easy to operate, even with gloves
- Maintains zero reliably, even under rigorous use
- Superior optical clarity
- Military-grade durability
Cons
- Premium price point
3)Holosun HS507C-X2 – Best Value
The Holosun HS507C-X2 red dot sight offers exceptional performance, durability, and value for shooters of all experience levels.
Built with a rugged 7075-T6 aluminum housing and a multi-coated lens, it delivers clear sight pictures and can withstand the rigors of daily carry or harsh range conditions. The buttons are tactile and easy to manipulate even with gloves, and the overall build quality inspires confidence in its long-term use.
Another key feature is the Multi-Reticle System (MRS). It allows users to switch between a 2 MOA dot, a 32 MOA circle, or a combination of both depending on their shooting preferences and applications. Besides, the sight features a long 50,000 hours battery life and 12 brightness settings, including 2 for night vision
Ergonomically, the optic is compact and lightweight so it won’t affect the balance and handling of the handgun. It also features a side-loading battery tray so you can change the battery without removing the optic from the firearm.
Pros
- Versatile for concealed carry, competition shooting, and tactical applications
- Accessible price point
- Sturdy and durable construction
- Compact, lightweight and easy to mount
- Multi-reticle system
Cons
- Comparatively narrow sighting window
4)Leupold DeltaPoint Pro – Best Large Window
The Leupold DeltaPoint Pro is the best red dot sight for Glock G40 Gen4 MOS for shooting enthusiasts looking to take their skills a notch higher.
The stand-out feature of this red dot sight is its exceptional optical clarity. The lens quality is superb, delivering a crisp and wide field of view with virtually no distortion. Besides, its 2.5 MOA dot is sharp and bright, making target acquisition quick and accurate, even in bright daylight or low-light conditions.
To complement the large sighting window, the sight features motion sensor technology (MST) that adds a thoughtful touch by activating the sight when movement is detected, conserving battery life effectively when not in use. Moreover, the tool-less, top-loading battery compartment makes changing the CR2032 battery easy without removing the sight from your firearm.
Moreover, this red dot sight is built to last. Crafted from aircraft-grade aluminum, the housing is shockproof and waterproof up to 33 feet, ensuring reliable performance in demanding environments. Windage and elevation adjustments are also precise and tactile, further reinforcing its premium feel.
Pros
- Dependable construction
- Large field of view
- Bright and crisp reticle
- Tool-less, top-loading battery compartment
Cons
- Comparatively shorter battery life
5)Ade RD3-013 Red Dot Reflex Sight – Best Budget
When it comes to performance and value, the Ade Advanced Optics RD3-013 Red Dot Ref lex Sight is hard to beat. It offers a compelling blend of affordability and functionality, making it a popular choice among budget-conscious shooters.
Constructed from durable 6061 aircraft aluminum, this compact optic is rigid enough to weather repeated recoil and abuse. Its waterproof and fog-proof design ensures reliability in various conditions, and the sight includes a picatinny mounting plate for versatility.
Regarding reticle, the sight features a 4 MOA red dot reticle for rapid target acquisition. The brightness of the reticle is adjustable for precision aiming in different light conditions.
With a top-loading CR1632 battery system, the sight providing up to 30,000 hours of battery life on low settings. It also holds zero well even after several hundred rounds and is easy to mount with no specialized tools needs.
Pros
- Budget friendly
- Compact and lightweight
- Sturdy construction quality
- Ease of use
Cons
- Lacks features like the shake-awake function
6)Foxarmy FXV22 PRO Multi-Reticle Micro Red/Green Dot Sight – Best Beginner Option
The Foxarmy FXV22 PRO Multi-Reticle Micro Red/Green Dot Sight delivers impressive performance in a compact, rugged package.
The sight features four selectable reticle patterns and the option to switch between red and green illumination with multiple brightness settings. This versatility is essential for adaptability in different lighting conditions and target environments.
Another feature that makes it the best red dot sight for Glock G40 Gen4 MOS is the 22mm objective lens. It offers a clear, parallax-free view for precision aiming no matter your eye position.
Optically, the anti-reflective coated glass enhances visibility without introducing glare. Over and above that, the turrets allow for precise windage and elevation adjustments with tactile clicks while the wide field of view makes fast target acquisition straightforward.
Construction-wise, the sight is built from aircraft-grade aluminum. It is sturdy and dependable, withstanding recoil without losing zero. Furthermore, the integrated mount system ensures quick installation while the included lens caps and battery are thoughtful additions for immediate out-of-the-box use.
Pros
- Compact size and low weight
- Wide field of view
- Quick and straightforward installation process
- Robust aircraft-grade aluminum construction
Cons
- Lacks motion activated illumination feature
7)Burris FastFire 3 – Best Value for Money
The Burris FastFire 3 Red Dot Sight is a compact and lightweight optic designed for quick target acquisition and precision shooting. It’s an excellent choice for those seeking functionality without breaking the bank.
This red dot sight features a durable aluminum housing that guarantees resilience against recoil and environmental elements. It is also built with a top-loading battery compartment that allows for easy battery replacement without removing the sight, ensuring zero retention.
Furthermore, the sight features a 3 MOA red dot reticle, providing a clear aiming point without obscuring the target. With three brightness settings, users can adjust the reticle intensity to match ambient lighting conditions.
Other noteworthy features included are an automatic brightness sensor that adjusts the reticle intensity in real-time and parallax-free design ensures accuracy, even when the shooter’s eye position shifts.
Pros
- Unmatched reliability, versatility, and value
- Ease of use
- Durable aluminum housing
- Clear aiming point
Cons
- Limited battery life
Why a Red Dot Sight for Glock G40 Gen4 MOS
A red dot sight is a good match for Glock G40 Gen 4 MOS for the following reasons:
a good match:
- Enhanced Target Acquisition: Red dot sights allow for faster and more intuitive aiming, especially in high-stress or fast-paced shooting scenarios.
- Extended Range Accuracy: A red dot sight helps you take full advantage of this pistols range, improving precision at distance.
- Improved Performance in Low Light: Red dots are easier to see in dim conditions compared to iron sights. This is crucial for precision aiming in low light settings.
- Maintains Peripheral Awareness: With both eyes open aiming, you maintain better situational awareness which is useful in both hunting and defensive contexts.
Factors to Consider when Choosing a Red Dot Sight for Glock G40 Gen4 MOS
Mounting Compatibility
Compatibility with the MOS system is the first factor to consider. The Glock G40 Gen4 MOS is equipped with a Modular Optic System, which allows for the direct mounting of optics using adapter plates. However, not all red dot sights are directly compatible, so it’s important to confirm whether the sight includes the necessary mounting plates or if additional accessories are required.
Build Quality
Another crucial consideration is the build quality of the red dot sight. Given the G40’s powerful 10mm caliber, the sight must be able to withstand significant recoil without losing zero. Optics made from high-quality materials such as aircraft-grade aluminum with waterproof, shockproof, and fog-resistant properties offer the best reliability in tough environments.
Battery Life
The battery life of the best red dot sight for Glock G40 Gen4 MOS varies from one optic to the other. A long battery life is vital especially if the firearm will be used for extended periods or in defensive scenarios. Many high-end red dot sights feature extended battery life and convenient features like auto-shutoff or solar power to preserve energy. Easy access to the battery compartment for quick changes is also a plus.
Reticle Type
The reticle type plays a big role in target acquisition and overall shooting comfort. Most red dots use a standard 2-6 MOA dot, but some models offer selectable reticle patterns suitable for different applications.
Brightness Levels
Choose a red dot sight with adjustable brightness levels to suit different lighting conditions. The ability to fine-tune brightness ensures visibility in both low light and bright daylight situations.
Size and Weight
Another factor to keep in mind is the size and weight of the optic. Since the G40 is already a large handgun, adding a bulky or heavy sight can affect balance and holstering options. A compact, lightweight sight is preferable to maintain a natural shooting feel and ease of carry.
Lens and Optical Clarity
Optical clarity should not be overlooked. A clear, distortion-free lens with anti-glare and anti-scratch coatings improves sight picture and target acquisition speed. A crisp red dot, free from blurring or star bursting, allows for quicker and more accurate shooting.
Price
Last but not least, consider the price. While premium optics come with a higher price tag, they often offer better features, reliability, and manufacturer support. However, there are also cost-effective options that provide solid performance for budget-conscious users.
Best Red Dot Sight for Glock G40 Gen4 MOS FAQs
- Do I need suppressor-height sights to co-witness with a red dot?
Yes, if you want backup iron sights that are visible through the red dot, you’ll need suppressor-height sights.
- What MOA dot size is best for a Glock G40?
The best MOA size depends on your shooting needs. A 3.25 MOA or 2 MOA is a good all-around choice, offering a balance between precision and quick target acquisition. On the other hand, larger dots like 6 MOA are faster to see but less precise for long-range shots.
Final Words
Pairing the Glock G40 Gen4 MOS with a quality red dot sight elevates its capabilities, offering rapid target acquisition, improved accuracy, and enhanced performance in a variety of conditions. Hopefully, this buying guide has helped you find the ideal model for your needs.