Today we will show you the best red dots for Glock 42. Glock 42 is a highly popular subcompact pistol and pairing it with a red dot sight can significantly improve your shooting accuracy and be a game-changer in target acquisition.
Designed for concealed carry and personal defense, the Glock 42’s compact size demands a red dot sight that is not only robust and reliable but also lightweight and low-profile. can
The Glock 42 is known for its compact size and reliability. It is a popular choice for concealed carry and personal defense. Equipping it with a robust and reliable red dot sight can transform it and significantly enhance your shooting experience, offering improved accuracy, faster target acquisition, and greater versatility.
Whether you prioritize durability, ease of use, or advanced features, we have curated a selection of high-performing red dot sights for Glock 42 to enhance your shooting precision and confidence. But first, here are the attributes that make a great red dot sight for Glock 42.
What Makes a Great Red Dot Sight for Glock 42?
A great red dot sight for Glock 42 is made of several features that include:
Compact and Lightweight Design
This is the first attribute of the best red dot sight for Glock 42. It should be lightweight and small enough to maintain the handgun’s balance and ease of handling.
Solid Construction
Furthermore, the red dot sight should have a robust construction from high-quality materials like aluminum and those that are shockproof, waterproof, and fog-proof.
Long Battery Life
It is also essential for the sight to have a long battery life that guarantees reliable operation during lengthy shooting periods.
User-Friendly Controls
Moreover, the sight should have user-friendly controls and easy adjustments for both windage and elevation to ensure quick and intuitive operation.
Adjustable Brightness Settings
Finally, the red dot sight should have multiple brightness settings to accommodate various lighting conditions, including low-light situations.
7 Best Red Dots for Glock 42
After a thorough probe, we found the best red dots for Glock 42 which are built with innovative features to improve your shooting accuracy, speed and overall effectiveness. Keep reading and find the best solution for your pistol.
1) Holosun HS407C-X2 1x 2 MOA Dot Red Dot Sight
Mounting the HS407C-X2 will help you land faster and more precise shots in any shooting application. It’s built quality and versatility makes it one of the best red dots for Glock 42.
Specifications
- Reticle: Green 2MOA Dot
- Parallax Free & Unlimited Eye Relief
- Power Source: Solar & Battery
- Battery Type: CR1632
- Battery Life (Hours): 50000
- Brightness Setting: 10 DL & 2 NV
- Window Size: 0.63×0.91
- Housing Material: 7075 T6 Aluminum
- Surface Finish: Anodize
- Adjustment per Click: 1 MOA
- W&E Travel Range: ±50 MOA
The Holosun HS407C-X2 1x 2 MOA Dot Red Dot Sight is the best red dot sight for Glock 42. It is a reliable and easy-to-use optic suitable for both seasoned shooters and newcomers looking to enhance their firearms’ accuracy and speed.
Featuring a crisp 2 MOA red dot with adjustable brightness settings, this sight excels in various lighting conditions, from bright daylight to low-light environments. It also boasts a solar failsafe and battery backup to ensure reliable performance at all times.
Moreover, the sight is built with durable aluminum housing that makes it suitable for rugged outdoor use. Its efficient LED technology provides up to 50,000 hours of battery life, ensuring long-lasting operation without the need for frequent battery changes. Furthermore, it is shock-resistant and waterproof to be operable even in extreme weather conditions.
In terms of usability, the HS407C-X2 is user-friendly with its convenient side-mounted battery tray that enables easy access and quick replacement. The reflex sight also has a parallax-free design and unlimited eye relief allowing for rapid target acquisition and comfortable shooting over extended periods.
Pros
- Extended battery life
- Ease of use
- Durable and reliable construction to withstand rugged outdoor use
- Reliable performance and precise aiming capability
Cons
- Fitment issues
2) SIG SAUER Romeo3 XL 1x35mm Red Dot Sight
The Romeo3 XL is a first-class optic that will enhance your accuracy in close-range shooting scenarios. Its exceptional performance makes it one of the best red dots for Glock 42.
Specifications
- Reticle: 3 MOA Red Dot
- Parallax Free & Unlimited Eye Relief
- Power Source: Battery
- Battery Type: CR2032
- Brightness Setting: 10 DL & 2 NV
- Window Size:35mm
- Weight: 0.09 lb
- Length: 2.1 in
- Housing Material: Aircraft Grade Aluminum
- Adjustment per Click: 1 MOA
The SIG SAUER Romeo3 XL 1x35mm Red Dot Sight stands out as a robust and versatile optic optimized for handgun use.
It is designed and built with a large 35mm lens that offers a clear and expansive field of view, ideal for rapid target acquisition and enhanced situational awareness. The red dot sight also boasts a crisp 3 MOA red dot reticle that remains sharp and precise even in challenging lighting conditions.
Thanks to theMOTAC (Motion Activated Illumination) technology which conserves battery life by powering down when inactive, this red dot sight stays ready for deployment. Furthermore, it features 10 brightness settings, including two night-vision compatible options to ensure optimal visibility across various environments.
Construction-wise, it is built from durable aircraft-grade aluminum. This construction is both lightweight and rugged, capable of withstanding heavy recoil and harsh environmental conditions.
In addition to all these features, this red dot sight has a waterproof and fog-proof design to further enhance its suitability for tactical and hunting applications, providing reliability in adverse weather conditions.
Pros
- Low-profile M1913 Picatinny mount included
- Aircraft-grade CNC Aluminum housing ensures a lifetime of reliable service
- Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance
- High transmittance red notch reflector for excellent brightness, light transmittance, and zero distortion
- Clear and expansive field of view
Cons
- Battery life
3) Crimson Trace CT-RAD Pro 1x 3 MOA Red Dot Sight
This reflex sight is ideal for compact pistols, making it one of the best red dots for Glock 42. It transmits light superbly to deliver sharp images for a seamless shooting experience.
Specifications
- Reticle: 3 MOA Red Dot
- Parallax Free & Unlimited Eye Relief
- Power Source: Battery
- Battery Life: 20,000 Hrs
- Brightness Setting: 10
- Housing Material: 7075 Series Aluminum
- Battery Access: Top Mount
When it comes to versatility, the Crimson Trace CT-RAD Pro 1x 3 MOA Red Dot Sight is hard to beat. It impresses with its blend of robust construction and precise optics, making it a standout choice for both novice and seasoned shooters alike.
Crafted with durable aluminum housing, the sight is durable and resilient against rugged conditions. The solid construction coupled with the weather-resistant design makes it an ideal optic for various shooting environments.
Furthermore, the sight uses a 3 MOA red dot to provide a crisp, clear aiming point, promoting quick target acquisition and accuracy. The boasts intuitive controls, including digital push-button brightness adjustment, allowing shooters to adapt instantly to changing light conditions without disrupting their aim.
Functionality-wise, the CT-RAD Pro excels with its long battery life, offering thousands of hours of use on a single CR2032 battery. This reliability ensures extended sessions without the need for frequent battery changes. The red dot sight also has a parallax-free design, unlimited eye relief, and a low-profile design that ensures comfortable shooting.
Pros
- Top mount battery access
- Ease of use
- Affordable
- Durable and lightweight build
- Compatibility with night vision gear
Cons
- Shorter battery life
4) Swampfox Justice Micro Reflex Red Dot Sight
This reflex sight will impress you with its sleek low-profile design that fits perfectly with compact pistols such as the Glock 42. Its outstanding performance and crisp reticle are some of the highlights that make it a top contender among the best red dots for Glock 42.
Specifications
- MOA Adjustment: Dial
- Dot Size: 3 MOA
- Magnification 1x
- Objective Lens Diameter: 27mm
- Illumination Positions: 10
- Shockproof G Forces: 1500Gs
- Waterproof: 1 Meter/ IPX7
- Battery Type: CR 1632
- Battery Life: Approx 1 Year Real World (Shake ‘N Wake)
- Length:1.78
- Weight: 1oz without battery
- Mount Type: RMR
- Chassis: 7075-T6 aircraft-grade aluminum
The Swampfox Justice Micro Reflex Red Dot Sight is a compact and robust optic designed for rapid target acquisition on handguns or as a supplementary sight on rifles.
Its selling point is the crisp 3 MOA dot reticle which provides a precise aiming point without obstructing the target. Furthermore, the lens features anti-reflective coatings to minimize glare and maintain clarity even in challenging lighting conditions.
Another impressive facet of this optic is its ease of use. The adjustment controls are conveniently located on the sides for easy access, allowing users to fine-tune windage and elevation with minimal effort.
Moreover, the red dot sight comes equipped with a top-loading battery compartment, ensuring quick and hassle-free battery changes without needing to remove the sight from the firearm.
Regarding construction, the sight is constructed from durable 7075 aluminum, ensuring it can withstand rugged use and recoil. This material choice also keeps the optic lightweight, enhancing handling and reducing overall firearm weight.
Pros
- Easy to install and simple to use
- Compact and ultra-lightweight
- Great value for the price
- Versatile and multi-platform friendly
Cons
- Lacks night vision-compatible brightness settings
5) Gideon Optics Judge Red Dot Reflex Sight
When it matters the most, the Judge reflex sight gives you the precision and accuracy you need for your shooting needs. It’s a lightweight weapon sight ideal for concealed carry making it a suitable companion for your Glock 42.
Specifications
- Reticle: 3 MOA Red Dot
- Parallax Free & Unlimited Eye Relief
- Power Source: Battery
- Battery Life: 50,000 Hrs
- Brightness Setting: 10
- Housing Material: 7075 Series Aluminum
- Objective Lens Diameter: 21 mm
- Weight: 1 oz
- Length: 41mm
The Gideon Optics Judge Red Dot Reflex Sight stands out as the best red dot sight for Glock 42 for budget-conscious buyers. It comes at a price that is hard to pass without compromising on quality or durability.
Designed for quick target acquisition and reliability, this sight features a rugged aluminum housing that ensures durability even in harsh conditions. The chassis houses a crisp 2 MOA red dot reticle, which provides a clear aiming point without obstructing the view of the target. Besides, the reticle is adjustable for both windage and elevation.
The battery life of this optic is also exceptional. It provides up to 50,000 hours of operation on a single CR2032 battery. This extended battery life ensures that users can rely on the sight for long periods without needing frequent replacements. The sight’ also has a parallax-free design and unlimited eye relief to enhance its usability further.
Pros
- Affordable
- Compact and lightweight construction
- Easy to use
- Long battery life
- Low-profile 1913 Picatinny mount included for mounting on compatible rifles.
Cons
- Battery not included
6) Holosun HE509-RD Enclosed Solar Powered Red Dot Reflex Sight
Perfect for almost every shooter, the Holosun HE509-RD will help you find the targets swiftly and enhance your shooting efficiency in close-range shooting engagements. With ACSS Vulcan reticle, you are assured of unrivaled accuracy in any shooting application.
Specifications
- Reticle: ACSS Vulcan
- Parallax Free & Unlimited Eye Relief
- Power Source: Battery
- Brightness Setting: 12
- Housing Material: 7075 Series Aluminum
- Objective Lens Diameter: 0.66 – 0.9 in
- Weight: 2 oz
- Length: 1.7”
- Adjustment Click Value: 1 MOA
Here is a robust and versatile optic designed for both efficiency and durability. It is easy to install with no specialized tools needed and simple to use as well.
Featuring a solar panel atop the housing, the sight ensures continuous operation by harnessing ambient light, complemented by a high-efficiency battery backup for low-light conditions. This dual-power system extends its operational longevity, making it highly reliable in various environments.
Furthermore, the HE509-RD offers a crisp 2 MOA dot reticle that promotes quick target acquisition and precision aiming. It is ideal for both close-quarters engagements and medium-range shooting in any environment.
In terms of usability, the sight incorporates Shake Awake technology, which activates the sight upon sensing motion and automatically powers it down when idle to conserve battery life. The multi-coated lens enhances light transmission while minimizing glare, providing a clear and distortion-free sight picture.
Above all, the durable construction that includes a CNC-machined housing and an enclosed design protects against dust, debris, and moisture, ensuring consistent performance even under adverse weather conditions.
Pros
- Crisp clear reticle
- Ultra-lightweight design
- Accurate and reliable
- Durable construction
- Ease of use
Cons
- Smaller sighting window
7) Vortex Razor Reflex Red Dot Sight
Add high accuracy to your pistol by mounting a high-clarity reflex sight. The Razor reflex sight provides an exceedingly bright red dot to help you land the most precise shots in close-range shooting applications.
Specifications
- Finish: Hard Anodized Matte
- Fabric/Material: Aluminum Alloy Chassis
- Brightness Settings: 9
- Eye Relief: Unlimited
- Adjustment Type: MOA
- Adjustment Click Value: 1 MOA
- Optical Coating: XR Fully Multi-Coated
- Battery Life: 150 – 30000 hours
- Weight: 1.4 oz
Vortex Razor Reflex Red Dot Sight is our last recommendation for the best red dot sight for Glock 42. This optic is designed with cutting-edge features to deliver top-tier performance in all shooting fields.
The reflex sight uses a 6 MOA red dot that ensures quick target acquisition and enhanced accuracy. The reticle is easy to spot and optimally illuminated for visibility in all light settings.
Moreover, it is constructed from aircraft-grade aluminum which makes it both lightweight and robust, capable of withstanding harsh environments and heavy recoil. The solid construction is a top-load battery compartment that allows for hassle-free battery changes without the need to remove the sight from the firearm.
Its fully multi-coated lenses provide a clear, bright sight picture with minimal distortion. Besides, the ArmorTek coating protects the lenses from scratches, oil, and dirt, further enhancing its durability and longevity.
Ease of use is another hallmark of the Vortex Razor Reflex Red Dot Sight. It has user-friendly controls, which are conveniently positioned for quick and easy adjustments. The red dot sight also boasts a long battery life, parallax-free optical configuration, and unlimited eye relief.
Pros
- Great features for the price
- Ease of use
- Large and easy-to-spot 6 MOA reticle
- Top-loading battery compartment
- Durable and reliable construction
Cons
- Lacks night vision-compatible illumination settings
Further Reading
How to Choose the Best Red Dots for Glock 42
When filtering through the various options in the market, here are some of the key considerations to keep in mind to get the perfect red dot sight for your Glock 42:
Compatibility
Compatibility is the first thing to take into consideration. Look at the mounting system the red dot sight comes with and ensure that it is compatible with the footprint of your Glock 42.
Size and Weight
The best red dot sight for Glock 42 should be compact and lightweight to maintain the slim and concealable profile of this handgun. Additionally, the sight should be easy to mount without requiring significant modifications.
Read: Best Red Dots for Glock 17 MOS
Durability and Build Quality
Look for sights made from durable materials like aircraft-grade aluminum. On top of the durable construction, the sight should be waterproof and shockproof to withstand various conditions and recoil.
Reticle Size and Type
Determine your shooting needs and settle for the ideal reticle size and type. Smaller MOA dots (e.g., 3 MOA) are more precise for target shooting, while larger dots (e.g., 6 MOA) are quicker to acquire for self-defense.
Read: Best Glock 30 Red Dot Sights
Battery Life and Power Source
For longevity opt for sights with long battery life that minimize the need for frequent replacements. Also, consider how easy it is to replace the battery and whether the sight has convenient features like top or side-loading battery compartments.
Brightness Settings
Ensure the sight offers multiple brightness settings to accommodate different lighting conditions. Some modern red dot sights feature automatic brightness adjustments based on ambient light.
Ease of Use and Adjustments
The best red dot sight for Glock 42 features easy-to-access and adjust windage and elevation controls.
This enables easy adjustment from any shooting position. A parallax-free sight is also recommended as it ensures that the dot remains on target regardless of the angle you view it from.
Read: Best Glock 26 Red Dot Sights
Budget
Lastly, consider the budget. How much you are willing to pay will dictate the red dot sight that you buy. So, look at the features that each red dot sight brings to the table and pick the model that offers the best value for your money.
What Footprint Does Glock 42 Use?
The Glock 42 uses a proprietary footprint for its accessories and sights. The rear sight is a standard Glock dovetail, but the front sight has its unique cut, not compatible with other Glock models.
If you’re looking to replace or upgrade the sights on your Glock 42, ensure that you check with the manufacturer or the specific product details to ensure compatibility.
Read: Best Red Dots for Glock G20
Conclusion
Mounting a red dot sight on your Glock 42 will significantly improve your shooting efficiency. It will simplify the aiming process which will enhance your accuracy. Another benefit of pairing your firearm with a reflex sight is faster target acquisition which is paramount in self-defense.
Modern red dot sights feature adjustable brightness settings which help adapt to different lighting conditions. No matter the time of day, a red dot sight will get the job done properly. Mount an effective red dot sight for an elevated shooting experience.
Hopefully, this review has shed more light on the best red dot sights for Glock 42 and we have helped you find a fit for your favorite handgun. Remember that your specific shooting needs will play a vital role in determining which red dot sight you choose. Choose a model from a reputable brand for quality and value assurance. Also, consider the warranty issued.