In today’s post, we reveal the best Glock 40 MOS red dot sights that will boost your shooting skills in nearly any application. Red dot sights are valuable accessories for shooters looking for speed, versatility and accuracy for short-range engagements. Shoot better by mounting an efficient reflex sight on your Glock 40 MOS.
The Glock 40 MOS is a formidable handgun known for its accuracy and versatility. Its MOS configuration offers the unique advantage of accommodating a variety of accessories that enhance its capabilities.
Irrespective of the application you use your Glock 40 MOS for, a red dot sight is a valuable tool to invest in. It not only enhances target acquisition speed but also provides unmatched precision. Besides, red dot sights are vital for enhancing performance in various lighting conditions and increasing situational awareness.
What Footprint Does Glock 40 MOS Have?
The Glock 40 MOS uses the Glock MOS footprint for mounting optics. The footprint uses adapter plates that allow you to mount various optics.
The MOS system is also designed to allow the mounting of red dot sights without the need for custom milling of the slide. However, the specific mounting plate for the Glock 40 MOS will depend on the type of red dot sight you intend to use, as different sights require different plates or adapters.
7 Best Glock 40 MOS Red Dot Sights
Red dot sights are the go-to optics for anyone looking to unlock the full potential of the Glock 40 MOS. With numerous options available on the market, here is a review of the top-rated models to choose from. Let’s look:
1) Holosun HS407C-X2 1x 2 MOA Dot Red Dot Sights
Mount the Holosun HS407C-X2 on your Glock 40 MOS and land shots faster and with improved precision. This reflex sight is designed to improve your target acquisition and boost your accuracy when taking short-range shots. Its versatility, quality construction, reliability and parallax-free views make it one of the best Glock 40 MOS red dot sights.
Specifications
- Magnification: 1 x
- Objective Lens Diameter: 0.63 – 0.91 in
- Reticle: 2 MOA Dot
- Brightness Settings: 10
- Eye Relief: Unlimited
- Adjustment Type: MOA
- Adjustment Click Value: 1 MOA
- Battery Life: 50,000 hours
- Operating Temperature: -30 – 60 Celsius
- Weight: 1.5 oz
The Holosun HS407C-X2 1x 2 MOA Dot Red Dot Sight is the best Glock 40 MOS red dot sight. It is an exceptional optic for fine-tuning shooting precision in any lighting condition.
The highlight of this red dot sight is its accuracy. It features a 2 MOA dot reticle that provides a crisp, precise aiming point and a 65 MOA circle to cater to a wide range of shooting applications The reticle has multiple brightness settings for easy aiming even in low-light conditions.
Construction-wise, the HS407C-X2’s durable construction includes an aircraft-grade aluminum housing that is IP67 waterproof. This ensures it can withstand harsh environmental conditions and rough handling.
Ease of use and battery longevity are other standout features of the HS407C-X2. It is powered by a CR1632 battery and provides up to 50,000 hours of continuous use on a single charge. Over and above that, the intuitive controls allow for quick adjustments to brightness settings and reticle options, while the locking screws prevent accidental changes in the middle of use.
Pros
- Long battery life
- Compact and ultra-lightweight
- Durable construction from aircraft-grade aluminum
- Crisp, precise aiming point
- Ease of use
Cons
- The sight’s lens is susceptible to glare in bright sunlight
2) Cuda Optics RX-795 Red Dot Reflex Sight
Achieve greater success with your shots by pairing your Glock 40 MOS with this efficient reflex sight. The RX-795 provides a perfect combination of precision and convenience with a powerful 3 MOA dot size making it ideal for shooters and hunters looking for a high-performing red dot sight.
Specifications
- Magnification: 1 x
- Objective Lens Diameter: 18 mm
- Objective Window Size: 0.93 x 0.73 in
- Illumination Type: LED
- Brightness Settings: 4
- Eye Relief: Unlimited
- Adjustment Type: MOA
- Adjustment Click Value: 1 MOA
- Water Resistance Level: IPX-7
- Length: 1.93 in
- Weight: 1.34 oz
The Cuda Optics RX-795 Red Dot Reflex Sight is a robust and versatile optic for handgun shooters seeking a high-performance optic at an accessible price point. It is easy to mount and use, even for beginners in shooting.
The aiming point of this optic is a 2 MOA red dot. It offers precision and clarity in all shooting environments. Furthermore, the sight features a fully multi-coated lens that enhances light transmission and reduces glare, ensuring bright and clear sight pictures.
This red dot sight is built with durable aluminum housing to withstand the rigors of heavy recoil. The shockproof construction is also weatherproof to ensure reliable performance even under challenging conditions.
Additionally, the RX-795 boasts a wide field of view and generous eye relief that contributes to a more comfortable shooting experience. It also features adjustable brightness settings that allow shooters to tailor the dot intensity to their environment, whether in bright daylight or low-light conditions.
Pros
- Compact and lightweight design
- Durable aluminum construction
- Wide field of view and generous eye relief
- Brightness adjustment dial for versatile lighting conditions
- Integrated lens cover for protection
Cons
- Short battery life
3) SIG SAUER Romeo-X Pro 24mm Reflex Red Dot Sight
Elevate your shooting experience with a reflex sight that’s packed with all the useful features needed to give you the confidence to focus on targets easily. Romeo-X Pro is a high-performance red dot sight that’s engineered for speed and precision.
Specifications
- Magnification: 1 x
- Objective Lens Diameter: 24 mm
- Adjustment Click Value: 1.5 MOA
- Battery Life: 20000 hours
- Water Resistance Level: IPX-7
- Length: 1.83 in
- Width: 15 in
- Height: 94 in
- Weight: 1.15 oz
As one of the best Glock 40 MOS red dot sights, the SIG SAUER Romeo-X Pro 24mm Reflex Red Dot Sight offers a high-performance solution for both tactical and recreational shooting. It has a low-profile design that ensures it remains unobtrusive on your firearm and a quick-detach mount for easy installation and removal.
With its 24mm lens, it provides a wide field of view that is vital for quick target finding and acquisition. The red dot is crisp and bright, thanks to its advanced LED technology, which ensures excellent visibility even in varying light conditions. The red dot sight also features 10 brightness settings for reticle visibility in different environments.
Regarding construction, the sight has a robust body designed to withstand harsh conditions, including extreme temperatures, water immersion, and heavy recoil. Other than that, the Romeo-X Pro boasts a user-friendly interface with easy-to-adjust windage and elevation controls,
Above all, the sight brings to the table Motion Activated Illumination technology that automatically activates the illumination when motion is detected, extending battery life and conserving power.
Pros
- Large field of view
- Crisp 2 MOA red dot with adjustable brightness
- Rugged aluminum construction resistant to impact and recoil
- Top-loading battery compartment for easy changes
Cons
- Higher price point
4) Vortex Optics Defender-XL Micro Red Dot Sight
Mount the Defender-XL red dot sight on your Glock 40 MOS and be the first to experience one of the best red dot sights on the market. Harboring innovative features, this red dot sight will boost your accuracy in nearly any application. Look no further for an efficient shooting solution for all of your close-range applications.
Specifications
- Magnification: 1x
- Reticle:5 MOA Dot
- Adjustment Graduation: 1 MOA
- Max Windage Adjustment: 115 MOA
- Max Elevation Adjustment: 120 MOA
- Dot Color: Bright Red
- Battery Runtime: 25,000 Hours
- Eye Relief: Unlimited
- Length: 2.03″
- Weight:1.93 oz
Carrying the renowned Vortex name, the Defender-XL Micro Red Dot Sight stands out for its compact design and robust performance. Its micro-sized profile ensures it maintains a minimal footprint on your Glock 40 MOS, without coming in your way of shooting.
The sight features a 3 MOA red dot that is crisp and well-defined. It is easy to use and provides a clear aiming point for rapid target acquisition. Besides, there are 16 brightness settings to tailor it relative to the ambient lighting conditions.
The rugged construction is another stand-out feature of this red dot sight. It has an aluminum housing and protective lens covers that ensure it can withstand tough environments and rough handling.
In addition to its durability, the Defender-XL boasts user-friendly adjustments and ease of operation. It is built with tool-less windage and elevation adjustments, allowing for quick and precise zeroing. Its battery life is commendable and the battery compartment is at the top for convenient access.
Pros
- Crips clear 3 MOA dot for precise aiming
- Durable aluminum construction
- Top battery access
- Scratch-resistant lens coatings
- Integrated lens cover for added protection
Cons
- A small objective lens may make it harder to acquire a sight picture quickly
5) Burris Fastfire C Red Dot Reflex Sight
Trust the Fastfire C for all of your close-quarters sighting needs. This reflex sight is designed with important features to boost your accuracy, target acquisition speed and improve your pistol’s performance in any application.
Specifications
- Magnification: 1 x
- Reticle: 6 MOA Dot
- Illumination Color: Red
- Adjustment Type: MOA
- Emitter Type: Open
- Battery Life: 25000 hours
- Shockproof: Yes
- Fogproof: Yes
- Red Dot Sights-Footprint: RMSc
Weighing less than 1 ounce, Burris Fastfire C Red Dot Reflex Sight stands out for its exceptional combination of durability and performance. It is lightweight but well-made with quality features to enhance your shooting.
This red dot sight offers a wide field of view and a clear, bright 6 MOA dot that ensures quick target acquisition. It also features an automatic brightness adjustment which enhances accuracy by optimizing the dot visibility based on ambient lighting conditions.
Moreover, this optic is built to last. It is engineered with a robust, shockproof construction that makes it a reliable choice for tactical and competitive shooting.
Well, that’s not all. The Burris Fastfire C boasts user-friendly controls and a straightforward mounting system, ensuring easy installation and adjustments. Its battery life is also impressive, offering long-lasting power that minimizes the need for frequent replacements.
Pros
- Compact and lightweight design
- Large and crisp 6 MOA reticle
- Intelligent auto-brightness settings
- Durable and shockproof construction
Cons
- The adjustment dials are a bit difficult to manipulate in the field
6)ADE Advanced Optics APOLLO-PRO Red Dot Sight
The Apollo Pro doesn’t compromise on the quality and mounting it on your Glock 40 MOS will transform your pistol into a dependable shooting solution to rely on during close-range shooting.
Specifications
- Magnification: 1 x
- Objective Lens Diameter: 26.5 mm
- Reticle: 4 MOA Dot
- Eye Relief: Unlimited
- Adjustment Type: MOA
- Adjustment Click Value: 1 MOA
- Battery Life: 50000 hours
- Fogproof: Yes
- Weight: 1.05 oz
When it comes to versatility and performance, the ADE Advanced Optics APOLLO-PRO Red Dot Sight is hard to beat. Its impressive blend of durability, precision, and versatility make it a valuable companion while shooting.
The reflex sight has a rugged aluminum construction to withstand harsh environments and heavy recoil. It is also waterproof and fog-proof for operability in adverse environments with extreme temperatures.
To complement the durable construction, this red dot sight features a 2 MOA dot that provides the perfect balance between accuracy and speed. The brightness of the reticle is adjustable, offering versatility in different lighting conditions, from bright sunlight to low-light environments.
One feature that makes this optic one of the best Glock 40 MOS red dot sights is its optical clarity. It boasts advanced lens coating, which enhances clarity and minimizes glare contributing to sharp, distortion-free sight pictures.
Above all, the sight has a compact and lightweight design so it won’t add unnecessary bulk to your firearm.
Pros
- Clear 2 MOA dot for accurate aiming
- Durable aluminum construction
- Good value for the price
- Compact and lightweight
Cons
- Lacks night vision-compatible brightness settings
7) Holosun HS507K Compact Pistol Red Dot Sight
Improve your precision, reaction time and speed while wielding your pistol by mounting the Holosun HS507K. This pistol sight harbors a high-efficiency reticle that helps you acquire targets with utmost precision.
Specifications
- Magnification: 1 x
- Objective Lens Diameter: 0.58 – 0.77 in
- Reticle: 2 MOA Dot & 32 MOA Circle
- Brightness Settings: 10
- Eye Relief: Unlimited
- Adjustment Type: MOA
- Battery Life: 50,000 hours
- Weight: 1 oz
Our last Glock 40 MOS red dot sight recommendation is the Holosun HS507K Compact Pistol Red Dot Sight. Its blend of durability, versatility, and advanced features make it an excellent choice for both tactical and defensive use.
With a robust construction that includes a rugged aluminum housing and a protective lens coating, the sight can withstand harsh conditions and rough handling. It also has a compact size and low-profile design that make it a seamless addition to most pistol setups without adding bulk.
The accuracy of this red dot sight is a force to reckon with. It features a 2 MOA dot and a 32 MOA circle reticle for precise targeting and quick acquisition in various shooting scenarios. On top of that, the advanced LED technology provides clear and bright illumination even in diverse lighting conditions.
The HS507K is also designed with user convenience in mind. It offers easy adjustments for brightness and windage/elevation with audible and tactile clicks. Over and above that, its adaptability extends to its compatibility with various mounting options, enhancing its versatility.
Pros
- Long battery life
- Outstanding versatility
- Ease of use
- Rugged and reliable housing
- Compact, light, and easy to install
Cons
- Relatively high price point
Further Reading
- Best Red Dots for Glock 48
- Best Red Dots for Glock 43x
- Best Ruger 10/22 Red Dot Sights
- Best Red Dots for SIG M18
How to Choose the Best Glock 40 MOS Red Dot Sights
Here are the factors to consider when shopping for a Glock 40 MOS red dot sight:
Compatibility
Ensure the sight is compatible with the Glock 40 MOS. The MOS system is designed to accommodate a variety of red dot sights, but not all. Ensure that you check for a specific fit before you settle for any product.
Size and Weight
Opt for a red dot sight that balances well with the size and weight of your Glock 40. A sight that is too bulky will affect the handling of your firearm and come in your way of shooting.
Read: Best Red Dot Sights for Glock 23
Dot Size
The reticle in red dot sight is measured in MOA and varies from one product to the other. Opt for a small 2 MOA or 3 MOA dot reticle if you are after precision and a large dot of 6 MOA if you are after quicker target acquisition.
Battery Life
Most of the best Glock 40 MOS red dot sights are powered by batteries. Consider a sight with long battery life, especially if you plan on using it frequently or for extended periods. Some sights offer tens of thousands of hours of battery life.
Read: Best Red Dots for Ruger SR9
Durability
The build quality of a red dot sight determines its durability. Look for a rugged model that can withstand recoil and harsh conditions. Materials like aluminum or reinforced polymer are recommended, as they offer better durability.
Brightness Settings
Adjustable brightness settings are what distinguish red dot sights from other optics. For the best Glock 40 MOS red dot sights, we recommend a model with at least 8 brightness settings. This will help you adapt to different lighting conditions and enhance your shooting precision.
FAQs
Q: What is the Best Size Red Dot for Glock 40 MOS?
3 MOA is the best size red dot for Glock 40 MOS. It provides an excellent balance between speed and accuracy in all shooting environments.
Q: Is a Red Dot Worth it on Glock 40 MOS?
Absolutely. Adding a red dot sight on Glock 40 MOS will help you shoot more accurately. It will also increase your situational awareness and speed in target acquisition.
Conclusion
Pairing your Glock 40 MOS with a red dot sight will help transform your pistol into a reliable shooting solution. Mounting a high-quality reflex will boost your accuracy, facilitate quick target identification and boost your reaction time for improved follow up shots.
The best Glock 40 MOS red dot sights highlighted above have innovative features to give you the competitive edge you need in various shooting situations. Improve your shooting skills and adaptability by mounting a red dot sight on your pistol today.