Create a more efficient shooting experience by mounting a proficient optic on your pistol. If you are looking for the best Glock 40 MOS red dot sights, this post is for you. Glock 40 MOS is an optic-ready pistol and we are here to bring you the very best red dot sights compatible with it.
Red dot sights have evolved to become one of the most valuable tools for gun enthusiasts. They come in different designs and sizes but the working concept is the same – provide a simplified point of aim with red illumination. What’s more, red dot sights enable shooting with both eyes open and have unlimited eye relief to increase situational awareness.
It is however not an easy thing to know which product to choose. This is due to the multitude of models available on the market. These red dot optics vary in terms of features and performance so picking a model to complement your shooting needs is important.
We have scoured the market and come up with a roundup of the best Glock 40 MOS red dot sights to help you decide. These optics feature an array of modern features for modern gun enthusiasts. Let’s take a look.
1) Vortex Defender-ST 3 MOA Red Dot Sight
Quickly acquire targets and be more successful with your shots by mounting the Defender-ST on your handgun. The red dot sight packs a wide array of convenient features that will take your shooting to the next level.
The Defender-ST is one of the best Glock 40 MOS red dot sights built with incredible high-quality optics to help you find the targets quickly and take the most precise shots. This proficient red dot sight will be effective on your pistol.
One of the attributes that make this red dot sight stand out as one of the best Glock 40 MOS red dot sights is the rigid construction. The optic is built with resilient materials to deliver reliable performance in any shooting situation.
The other admirable feature of the Vortex Defender-ST 3 MOA Red Dot Sight is versatility. It’s compatible with different platforms so you can rely on it for different applications. With a crisp dot and a large window, you are in control of any situation. Be the first to experience the performance of an effective red dot sight.
Features
- Motion activation
- Waterproof and shockproof
- Durable construction
- Superior lens for crisp images
- Unrivaled versatility
- Auto-shutoff function
- 3 MOA and 6 MOA dot options
Pros
- Superior target acquisition
- Ideal for different lighting conditions
- Tough construction
- Easy to use and sight in
- Bright and crisp dot
- Great warranty
Cons
- No drawbacks
2) Cuda Optics RX-795 Red Dot Reflex Sight
Cuda Optics is taking optical sights to the next level effective and efficient red dot sights. The RX-795 Red Dot Reflex Sight is one the best pistol red dot sights to use to quickly acquire targets and make precise shots. It is built with ease of use in mind to fit all users, even beginners.
The stand-out feature of this red dot sight is the IntelliDOT. This feature measures the light at your target continuously and updates the brightness of the reticle every 10 seconds. As such, it achieves and maintains the ideal intensity even in changing light.
Furthermore, the red dot sight has an enhanced Shutoff that turns off when you set it down. It is smart enough to know when it’s being used and when it is not, so it can help conserve the battery life.
What’s more, this red dot sight is compact but well-built with 6061 aluminum alloy. With its robust construction, it can handle all the abuse associated with handgun shooting. It is also IP67-rated against dust and water.
Features
- Matte finish
- Fully waterproof and dustproof
- Unlimited eye relief
- 4 brightness settings
- Automatic battery level checks
- Rugged aluminum alloy construction
- Buttonless tap controls
- Ambient light sensors
- High-efficiency LED
Pros
- Long battery life
- Excellent design and layout
- Compact and ultra-light
Cons
- No night vision
3) Holosun HS507C-X2 1 x 2 MOA Dot Reflex Red Dot Sight
As compact as the Glock 40 MOS is so is the Holosun HS507C-X2. The small size makes it ideal for subcompact pistol applications where a low-profile optic is vital.
This red dot sight is compact but well-built to stand the test of time. It is built with 7075-T6 aluminum for ultimate durability. Furthermore, the optic is fully waterproof, fog-proof, and shockproof as well.
To complement the durability, the red dot has multiple layers of anti-reflective coating on all optics. The coatings ensure bright and clear views through the sight window. On top of that, the red dot sight has unlimited eye relief for complete situational awareness.
The other noteworthy features included are a multi-reticle system featuring three reticle options, 12 brightness settings, and Shake Awake technology with the last setting recall.
Features
- IP67-rated, shock, fog, and waterproof
- Multi-reticle system
- Unlimited eye relief
- Multi-coated lens
- 7075-T6 aluminum housing
- Lock mode to protect settings
- Shake Awake technology
- 12 brightness settings
- Solar Failsafe technology
- 50 MOA adjustment range
Pros
- Multiple reticles to choose from
- Battery life
- Accurate
- Easy to install and use
Cons
- Durability issues
4) Swampfox Kraken Closed Emitter 1x16mm 3 MOA Dot Sight
As one of the best Glock 40 MOS red dot sights, Swampfox Kraken Closed Emitter Sight has everything you need to take your shooting to the next level. It is suitable for multiple applications where speedy target acquisition is vital.
This red dot sight has a 3 MOA red dot reticle with 10 brightness settings. This enables confident aiming even in less-than-ideal lighting conditions. The sight also features multi-coated optics which enhance its contrast relative to the target background.
In terms of construction, it is built ready to take a beating from outdoor use. The rigid 7075-T6 aluminum housing is IPX-7-rated to ensure uninterrupted performance in the field irrespective of the weather conditions.
Features
- Fully enclosed emitter
- 3 MOA red dot reticle
- Fully waterproof and shockproof
- Multi-coated optics
- 10 brightness settings
- Shake N Wake technology
- 7075 aircraft-grade aluminum construction
- Unlimited eye relief
Pros
- Durable
- Affordable
- Accurate and functional
- Long battery life
Cons
- Narrow window size
5) Athlon Optics Midas EDC 20x16mm Red Dot Sight
Athlon Optics Midas EDC 20x16mm Red Dot Sight is made with budget-conscious buyers in mind. It is inexpensive but doesn’t cut corners on the quality and features.
Built with a 3 MOA red dot reticle, the optic is ideal for close and medium-range shooting. The reticle provides the ideal balance of precision and speed in all situations. You can also tailor it to suit your preference using the adjustable brightness settings.
Another impressive thing about this optic is its durability. It is compact and well-built with a hard-wearing aluminum chassis. Furthermore, it is waterproof and shockproof for all-weather use.
To top it all off, the Athlon Optics Midas EDC 20x16mm Red Dot Sight has fully multi-coated optics and a parallax-free optical configuration for optimal shooting precision.
Features
- 3 MOA red dot reticle
- Fully multi-coated optics
- Waterproof and shockproof
- Parallax-free optics
- Extra-duty aluminum housing
- Open emitter
Pros
- Duty-worthy
- Compact and lightweight
- Ease of use
- Affordable
Cons
- No auto-off feature
6) Trijicon RMR Type 2 RM01 LED 1x65mm 3.25 MOA Red Dot Sight
Trijicon is known for its rugged and high-performance optics and the RMR Type 2 RM01 LED 1x65mm 3.25 MOA Red Dot Sight is not any different. It is extremely tough to withstand the abuse of combat and training.
Optically, the red dot sight has a True-Color multi-coated glass window and unlimited field of view. The large viewing window enables seamless target finding while the unlimited field of view ensures both eyes open shooting.
When it comes to the reticle, this weapon sight employs a 3.25 MOA red dot reticle. It has an automatic brightness control and parallax-free performance for target acquisition beyond close-quarters combat.
Moreover, the sight combines superior toughness and a compact, lightweight construction. It is also waterproof and submersible to 66’ for use even in less-than-ideal weather conditions.
Features
- Unlimited field of view
- 25 MOA red dot
- Parallax-free optical design
- 1 MOA impact point correction
- Waterproof and submersible to 66’
- 7075-T6 aluminum alloy chassis
- Scratchproof and corrosion-resistant finish
- Ruggedized electronics
- Tempered glass window
- LED illumination
Pros
- Extremely tough and durable
- Lightweight
- Crisp clear red dot
- Multi-platform friendly
Cons
- Big budget
7) Holosun HS507K Compact Pistol Red Dot Sight
Holosun HS507K is another compact pistol red dot sight with all the handy features you need. It is engineered for subcompact pistol applications and is compatible with most factory iron sights.
As one of the best Glock 40 MOS red dot sights, this product has a multi-reticle system that comprises a red dot and a circle-dot reticle. The 32 MOA ring is ideal for long-distance shooting and the 2 MOA aiming dot is for close-range use.
Construction-wise, the sight has a durable 7075-T6 aluminum housing with a low-glare matte finish. It is IP67-rated for use in all weather conditions and fully protected from shock, recoil, and accidental falls.
Well, that’s not all. The Holosun HS507K red dot sight has unlimited eye relief for use with both eyes open. It also boasts multiple layers of antireflective coatings to ensure bright and clear views.
Features
- Lock mode to protect settings
- Multi-reticle system
- Parallax-free optical design
- Fully waterproof and shockproof
- 12 brightness settings
- Multi-coated lenses
- 1 MOA adjustment per click impact point correction
- Aluminum alloy housing
- Durable matte finish
Pros
- Ease of use
- Outstanding durability
- Compatible with night vision gear
- Side battery access
Cons
- Cheap glass
8) Sig Sauer Romeo-X Pro 24mmm Reflex Red Dot Sight
Our last red dot recommendation for Glock 40 MOS is the Sig Sauer Romeo-X Pro 24mmm Reflex Red Dot Sight. It is an effective red dot sight ideal for a wide range of shooting applications.
The versatility of this red dot sight is complemented by the crisp reticle that enables rapid target pick-up. During use, the brightness of the reticle adjusts to 15 different illumination settings. Three of these settings are compatible with night vision gear.
Another outstanding feature of this optic is its construction quality. It has a forged aluminum housing that offers unparalleled durability. The distortion-free aspherical lens adds durability and makes the optic ideal for use in any environment.
Other notable features included are motion-activated illumination and a side load battery compartment.
Features
- Enclosed emitter
- Distortion-free aspherical lens
- 15 illumination settings
- 5 MOA adjustment click value
- Low deck height
- Side-loading battery compartment
- Motion-activated illumination
Pros
- Easy to install and use
- Durable and well-built
- Easy battery change
- Clean and crisp optics
Cons
- Battery life
Further Reading
- Best Taurus G3C Red Dot Sights
- Best Glock 29 Red Dot Sights
- Best Red Dot Sights for 30-06
- Best Red Dot Sights for 45-70
Best Glock 40 MOS Red Dot Sights Buying Guide
When shopping for a Glock 40 MOS, take into consideration the following factors.
Size and Weight
Glock 40 MOS is a compact handgun that requires an equally compact optic. So, opt for a model that is small in size and with a low-profile design. The best Glock 40 MOS red dot sights also have an ultra-light construction that doesn’t affect the precision and performance of the handgun.
Battery Life
The next important thing to look for is battery life. A red dot sight with an extended battery life is preferable. It will keep the red dot optimally illuminated all through.
Another facet to consider is battery placement. We recommend that you settle for a product that has either a side or top-loading battery compartment.
Read: Best Glock 34 MOS Red Dot Sights
Durability
Durability in red dot sights depends on the quality of materials used to make the chassis. Materials such as aircraft-grade aluminum or magnesium alloy are the best.
They are tough and duty-worthy yet lightweight. The best Glock 40 MOS red dot sights are also shockproof and recoil-resistant to take in the beating.
Brightness Settings
The other thing to consider is brightness settings. Red dot sights have adjustable brightness settings that enable precise aiming in all light conditions.
No matter the kind of shooting you will be doing, ensure that you pick a model that has multiple brightness settings for use in different lighting conditions.
Read: Best Hunting Red Dot Sights
Weatherproof Construction
It is important to get a red dot sight that is usable in all weather conditions. It should have a high IPX rating to lock out dust and moisture.
What’s more, the best Glock 40 MOS red dot sights should also be operable in a wide range of temperatures for optimal functionality.
Cost
Lastly, consider the cost. How much you intend to spend will determine the red dot that you get. If on a budget, there are plenty of low-cost red dot sights available out there. Being cost-specific is also important as it helps one to avoid impulse buying.
Read: Best Sig P226 Red Dot Sights
FAQs
Q: What Does MOS Stand for in Glock 40?
Modular optic system. It is a unique configuration that simplifies the mounting of optical sights like red dot sights for greater shooting precision.
Q: Is it Worth Putting a red dot on a Glock?
Absolutely. Red dot sights improve the accuracy at both close and medium ranges. They also go the extra mile to enable faster target finding and quick acquisition of the target in virtually all lighting conditions.
Final Shot
In conclusion, red dot sights are an invaluable addition to the Glock 40 MOS. Once you find a model that blends with your needs, you will push this handgun to its full potential and make every shooting expedition a success. Whatever you have in mind, there is a red dot sight out there for everyone.