Imagine drawing your Glock 20 with lightning speed, your sights instantly finding their mark. Sounds good, right? But if you’ve ever looked into putting a red dot sight on your Glock 20, you know it’s not always that simple. There are so many choices out there, and figuring out which one is best for *your* handgun can feel like a puzzle.
Many Glock 20 owners want to improve their accuracy and speed, but the sheer number of red dot options can be overwhelming. You might be wondering which models fit your Glock 20 without special modifications, what features truly matter, and how to get the most bang for your buck. It’s easy to get lost in technical jargon and confusing reviews.
This post cuts through the confusion. We’ll break down what makes a good red dot for the Glock 20, discuss the most popular and reliable choices, and explain what to look for to make sure you pick a sight that works perfectly. By the end, you’ll have a clear picture of the best red dot options to help you hit your targets with confidence.
Our Top 5 Red Dot For Glock 20 Recommendations at a Glance
Top 5 Red Dot For Glock 20 Detailed Reviews
1. Monstrum Dovetail Red Dot Mounting Plate for Glock Pistols
Rating: 8.7/10
Upgrade your non-MOS Glock pistol with the Monstrum Dovetail Red Dot Mounting Plate. This handy plate lets you attach a red dot sight to your Glock’s rear sight dovetail. It fits many popular Glock models, making it a versatile choice for shooters. This plate is a great way to improve your shooting accuracy and speed.
What We Like:
- It’s made from strong aluminum, so it lasts a long time.
- It fits a wide range of Glock models, from the 17 to the 47.
- It’s designed to work with RMR footprint red dots, like those from Holosun.
- Monstrum offers a lifetime guarantee on this product.
- Installation is straightforward, replacing your rear sight.
What Could Be Improved:
- This plate will not fit Glock MOS models.
- It’s not compatible with the Slimline Glock 43x or 48.
- You’ll need a sight pusher tool to install it.
- It only works with RMR footprint red dots; other types won’t fit.
This Monstrum plate is a solid option for Glock owners who want to add a red dot without an MOS slide. It provides a secure mounting solution for compatible optics.
2. Red Dot Sight
Rating: 9.2/10
The Red Dot Sight, Tactical 20mm Red Dot Sight 3 MOA Pistol Scope Adjustable Brightness with Glock Mount, Reflex Sight Pistol Scope Red Dot Scope Shockproof is a budget-friendly and reliable option for any shooter. It offers a clear vision line and adjustable brightness settings, making it a great combination for your shooting needs. This sight is built to last, with a durable aluminum shell that can handle tough conditions.
What We Like:
- The high-quality aluminum shell material makes it both affordable and dependable.
- The multi-coated objective lens provides clear, bright views, even in low light.
- It comes with an adapter plate for MOS and a 20MM picatinny base, making it universally compatible.
- The sight offers a full field of view with a tubeless design, allowing you to quickly lock onto your target.
- It’s easy to install and its waterproof and shockproof design means it performs well in any weather.
- You can choose between 6 brightness levels for perfect dot visibility, day or night.
What Could Be Improved:
- While the amber lens is scratch-resistant, some users might prefer a fully clear lens for all lighting conditions.
- The “budget-friendly” aspect might suggest that higher-end materials or features found in more expensive sights are absent.
This red dot sight is a solid choice for those seeking an accessible and effective aiming solution. It delivers clear sights and reliable performance for a variety of shooting scenarios.
3. RMR Red Dot Sight
Rating: 9.0/10
The RMR Red Dot Sight is a tough and sharp optic for your pistol. It’s made from strong aluminum and has a smooth black finish. This sight helps you aim better and faster, especially in quick situations. It’s built to handle tough jobs and keep working. Plus, it’s easy to put on your gun. This red dot sight is a great tool for anyone who wants to improve their shooting.
What We Like:
- It’s built really tough from strong aluminum.
- You can adjust it very precisely, with 1 MOA clicks for aiming.
- It comes with a mount that fits many guns, including Glocks.
- The red dot can be seen clearly, even with your regular sights.
- It has a big, clear lens that’s coated to reduce glare.
- It’s waterproof, so rain won’t stop you.
- You get 8 different brightness levels for the red dot.
What Could Be Improved:
- The red dot size (3 MOA) might be a little big for very long-range shots.
- While it includes a Glock mount, you might need to buy other mounts for different guns.
This RMR Red Dot Sight is a solid choice for improving your pistol’s accuracy. It offers great features for its price and will help you hit your targets more reliably.
4. ARORY RMU1 Micro Red Dot Sight for RMSc Pistol Cut
Rating: 8.8/10
The ARORY RMU1 Micro Red Dot Sight is a powerful upgrade for your pistol. It offers a clear sight picture with its multi-reticle options. You can choose between a 2 MOA dot or a 32 MOA circle. This sight is built tough from 7075 aluminum, so it can handle your adventures. The Shake Awake technology means it’s ready to go the moment you need it. Plus, it comes with an adapter plate for Glock MOS slides, making it super versatile.
What We Like:
- It fits popular pistols like the Sig P365 (optics-ready), GX4 T.O.R.O., Hellcat OSP, and Glock MOS slides with the included plate.
- The Shake Awake feature saves battery life and is always ready.
- You get two reticle options: a precise 2 MOA dot or a fast-acquiring 32 MOA circle.
- The 7075 aluminum construction makes it strong and durable.
- It’s easy to mount and use.
What Could Be Improved:
- It’s important to note it only fits optics-ready slides and not standard non-optic slides.
- The adapter plate is only for Glock OEM MOS slides and won’t work with milled or dovetail mounts.
- Availability might be limited, so grab one when you see it!
This ARORY RMU1 sight is a solid choice for improving your pistol’s accuracy. It offers great features for its price point, making it a worthwhile addition to your firearm.
5. JORMIX Flip Up Red Dot Reflex Sight Mini Folding 3 MOA Red Dot Flip Gun Sight Scope for RMR Picatinny Rail Glock MOS Pistol Handgun Rifle with Heightened Base (Black)
Rating: 9.3/10
The JORMIX Flip Up Red Dot Reflex Sight offers a smart and compact aiming solution for your firearms. Its innovative folding design makes it easy to store, and the automatic red dot activation means you’re ready to aim in an instant. This sight is built for accuracy and durability, designed to perform in various conditions.
What We Like:
- It flips up and the red dot turns on automatically, so you can aim fast.
- You can fold it down flat when you’re not using it, which is great for storage.
- It’s made from strong aluminum, so it can handle tough weather and bumps.
- The red dot is small and precise (3 MOA), helping you hit your target accurately.
- It comes with different mounts, so it fits on Glock MOS pistols and guns with RMR cuts, plus it has a rail mount and a raised base.
- The lens is designed to let in lots of light and resist scratches, giving you a clear view.
What Could Be Improved:
- The product description doesn’t mention battery life, which is important for red dot sights.
- It might be a bit small for some users who prefer larger sights.
This JORMIX sight is a versatile and reliable tool for improving your shooting accuracy. It’s a solid choice for anyone looking for a compact and convenient aiming device.
Choosing the Right Red Dot for Your Glock 20
A red dot sight can make a big difference for your Glock 20. It helps you aim faster and more accurately. This guide will help you pick the best one.
Why Add a Red Dot to Your Glock 20?
Your Glock 20 is a powerful handgun. Adding a red dot sight makes it even better. You can hit targets more easily, especially in low light. It’s great for self-defense, target shooting, and hunting.
Key Features to Look For
1. Reticle Type and Size
Red dots come with different aiming points. Some have a single dot. Others have a dot with a circle around it. A 3 MOA (Minute of Angle) dot is common. It’s a good size for most uses. A 6 MOA dot is bigger and easier to see quickly.
2. Brightness Settings
You need to see your red dot in bright sun and dark rooms. Look for a sight with many brightness levels. This lets you adjust it for any situation.
3. Battery Life
A long battery life is important. You don’t want your sight to die when you need it. Some red dots last for thousands of hours on a single battery. Others might need changing more often.
4. Durability and Construction
Your red dot needs to be tough. It should handle recoil from your Glock 20. Look for sights made from strong materials like aircraft-grade aluminum.
5. Waterproof and Fogproof
You might shoot in rain or humid weather. A waterproof and fogproof sight will keep working. It won’t get damaged by moisture.
6. Size and Weight
A smaller, lighter red dot won’t make your Glock 20 feel too heavy. It should fit nicely on your pistol.
Important Materials
1. Lens Quality
The lenses are very important. Good lenses give you a clear, sharp view. They should also be scratch-resistant. Multi-coated lenses help reduce glare and improve light transmission.
2. Housing Material
Most good red dots use strong metal for their housing. Aircraft-grade aluminum is a popular choice. It’s light and very strong. This helps the sight survive bumps and the gun’s recoil.
Factors That Improve or Reduce Quality
What Makes a Red Dot Better?
- Clear Lenses: You see your target without any blur.
- Strong Build: It can handle rough use and recoil.
- Good Battery Life: You won’t have to change batteries often.
- Easy Adjustments: You can zero it in quickly and easily.
- Bright Reticle: You can see the dot in any light.
What Can Make a Red Dot Worse?
- Fuzzy Lenses: Makes it hard to aim.
- Weak Construction: It might break easily.
- Short Battery Life: The sight dies at the wrong time.
- Hard-to-Use Controls: Adjusting brightness or zeroing is difficult.
- Dim Reticle: You can’t see the dot in bright light.
User Experience and Use Cases
Ease of Use
A good red dot should be simple to mount and use. You should be able to pick up your sights quickly. Adjusting the brightness and zeroing the sight should be straightforward.
Common Use Cases
- Self-Defense: Red dots help you aim faster in stressful situations.
- Target Shooting: They make hitting small targets easier.
- Hunting: You can track moving game and make precise shots.
- Competition Shooting: Speed and accuracy are key, and red dots help.
Choosing the right red dot sight for your Glock 20 is a smart move. It will improve your shooting skills and make your pistol more versatile.
Frequently Asked Questions (FAQ)
Q: What is the best red dot for a Glock 20?
A: The “best” depends on your budget and needs. Popular choices include brands like Trijicon, Aimpoint, Holosun, and Vortex. Look for features important to you.
Q: Do I need a special mount for a red dot on my Glock 20?
A: Many Glock 20 models have a “Optics Ready” slide. This means you can mount a red dot directly with a compatible plate. Some older models or those without this feature might need a slide modification or a mount.
Q: How do I zero a red dot sight?
A: You’ll use the adjustment turrets on the sight. Shoot at a target, then move the reticle to match your bullet’s impact point. Repeat until you are accurate at your desired range.
Q: Can I use a red dot for concealed carry?
A: Yes, many people do. Compact red dots are available. They can make your firearm easier to aim quickly if needed.
Q: Are red dots good in low light?
A: Yes, red dots are excellent in low light. The bright reticle is much easier to see than iron sights.
Q: How much recoil can a red dot handle?
A: Quality red dots are built to withstand the recoil of most handguns, including the .10mm Glock 20. Always check the manufacturer’s specifications.
Q: What is MOA?
A: MOA stands for Minute of Angle. It’s a measurement of how much the dot covers at a certain distance. 3 MOA covers about 3 inches at 100 yards.
Q: How do I clean a red dot sight?
A: Use a soft lens cloth and lens cleaning solution. Be gentle to avoid scratching the lenses.
Q: Can I use a red dot for hunting with my Glock 20?
A: Absolutely. Red dots improve accuracy and speed, which are very helpful for hunting.
Q: Where should the red dot be mounted on the slide?
A: It typically mounts towards the rear of the slide, over the chamber area. The exact position depends on the specific sight and mounting system.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
Hi, I’m Hector Quintanilla, the creator of helmetslab.com.. As a passionate enthusiast and experienced expert in helmets, I’ve dedicated this platform to sharing my insights, knowledge, and hands-on experiences. Whether you’re seeking the best helmet for safety, comfort, or performance, my goal is to guide you with detailed reviews, tips, and advice. Ride safe, and let’s explore the world of helmets together!