8 Best Glock 43x MOS Red Dot

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Hey Gunners! Welcome to Best Glock 43x MOS Red Dot Blog In 2024.

I’ve been firing rounds downrange for years, and one of my go-to firearms has always been the Glock 43X MOS.

I’ve looked into the best red dot sights for the Glock 43X MOS and want to share that knowledge with you.

So, What Red Dot Fits Glock 43x?

Here are eight red dot sights that fit the Glock 43x MOS perfectly.

Best Glock 43x Red Dot SightCategoryPrice

Top 8 Best Red Dot Glock 43x MOS Red Dot

  1. Trijicon RMRcc – Best for custom-milled slides
  2. Holosun HS507K-X2 – Best budget alternative of trijicon
  3. Holosun 507C X2 – Best for tactical shooting
  4. Holosun EPS Carry – Best compact red dot
  5. Shield RMSc – Best for durability
  6. Swampfox Sentinel – Best for wide viewing window
  7. SIG Romeo Zero Elite – Best value for money
  8. Hex Wasp – Best user-friendly

1. Trijicon RMRcc – Best for custom-milled slides

A game-changing red dot sight specifically designed for concealed carry that’s durable, versatile, and easy to use.

Designed for Concealed Carry: One of the standout features of the Trijicon RMRcc is its design geared towards concealed carry. This thing is slim, I mean, really slim. It nestles beautifully on my Glock 43X MOS, creating an almost seamless look.

If you’re someone who values discretion and a low-profile carry, then this is your red dot. It’s got a design that ensures reduced risk of snags during your draw.

Outstanding Durability: Let’s talk about this sight’s ruggedness. The patented housing shape diverts the force of any impact away from the lens. That makes this little piece of hardware incredibly resilient.

During my field tests, I went through the usual bumps and knocks, and guess what? Not a single crack or distortion in the lens. The quality is military-grade; it’s constructed to withstand harsh conditions without losing zero.

Complete User-Control Illumination Settings: This red dot sight gives you ultimate control over brightness settings.

With eight different modes, you can easily adjust to your environment. What does that mean practically? Well, you’ve got two night vision modes for twilight or nighttime shooting.

And when you’re out in broad daylight, the super bright mode ensures the dot is visible and crisp. The flexibility allows you to tailor the sight according to your needs, whether you’re indoors or outdoors.

Easily Adjustable Windage/Elevation: Do you know how some sights need a special adjustment tool? Not this one.

With 3 MOA per tick, making windage and elevation adjustments is a cinch. The knobs are easy to maneuver, even with gloved hands.

This becomes super handy in dynamic shooting scenarios where quick adjustments are essential. You’ll have your sight zeroed in no time, and it holds that zero exceptionally well.

Crisp 3.25 MOA Dot: The 3.25 MOA dot is another remarkable feature. It’s the ideal size for both-eyes-open shooting, which is fantastic for situational awareness.

The dot is crystal-clear, and the quality of the lens enhances the visibility, even under extreme lighting conditions. I found this particularly helpful when I had to switch targets rapidly.

Why I Love It: What’s not to love? The RMRcc blends flawlessly with my Glock 43X MOS, it’s robust, versatile, and incredibly easy to use. It’s like the sight was made for this gun.

My Experience

I felt an immediate difference When I mounted this on my Glock. The sight was easy to attach and felt like an integral part of the firearm.

The drawing was smooth, and the targeting was accurate, improving my shooting experience significantly.

Pros

  • Slim and compact design
  • High durability
  • Flexible illumination settings
  • Easy windage/elevation adjustments
  • Crisp 3.25 MOA dot

Cons

  • Bottom battery access can be tricky
  • Slightly on the expensive side

2. Holosun HS507K-X2 – Best budget alternative of trijicon

A high-performance open reflex sight with a compact profile designed to fit perfectly on subcompact firearms like the Glock 43X MOS.

Red Super LED: The Holosun 507K X2’s Red Super LED is a game-changer. When you’re zeroing in on a target, the crispness and clarity of the dot can make a significant difference in your accuracy.

The LED technology used here offers a fine, well-defined 2 MOA red dot that doesn’t blur or distort, even under rapid movement or recoil.

What really steals the show is the whopping 50,000-hour battery life, which is a godsend for those extended field trips. No worries about the sight dying on you midway through your shooting session.

Multi-Reticle System (MRS): One size doesn’t fit all, and that’s especially true when it comes to reticles. The Multi-Reticle System (MRS) on this sight gives you the best of both worlds.

You get a fast sight picture for those quick reflex shots, thanks to the larger 32 MOA circle. Meanwhile, the inner 2 MOA dot offers the precision required for longer distances.

The genius is in its flexibility; the reticle system allows you to switch between these options seamlessly.

Shake Awake Technology: You know how frustrating it is when you forget to turn off the sight and come back to a dead battery? Shake Awake Technology solves that. The LED deactivates when it senses a lack of movement, extending the battery life.

The moment you pick up your Glock 43X MOS, the sight immediately springs back to life. The timeout settings are customizable, providing further convenience for every type of shooter out there.

Easy Battery Access with Side Tray: Fumbling with screws and mounts just to change a battery can sour the shooting experience.

The Holosun 507K X2 comes with a side-mounted battery tray, making the whole ordeal as easy as sliding out the old CR1632 battery and slotting in a new one.

There is no need to disassemble your setup, saving you time and preserving your zero.

Durable Housing: Durability often gets sacrificed for the sake of compactness in many optics. Not in this case. The 7075 T6 Aluminum housing is the same grade of material used in aerospace engineering.

This material provides an excellent balance of strength to weight, ensuring that your sight won’t fall apart or get damaged even under challenging conditions.

Why I love it: The Holosun 507K X2 is a fantastic little package that brings together thoughtful design with robust performance. It’s everything you’d want in a compact red dot sight.

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My Experience

After field-testing this sight on my Glock, I can honestly say it enhances the whole shooting experience.

The reticle options are versatile enough for any shooting scenario, the Shake Awake feature is a nice touch for battery conservation, and the durability ensures that it’s a long-term investment.

Pros

  • Exceptional battery life due to high-performance LED and Shake Awake technology
  • Customizable reticle options via the Multi-Reticle System
  • Side tray for convenient battery replacement
  • Built from tough 7075 T6 Aluminum
  • Fits the Glock 43X MOS perfectly without overhanging the slide

Cons

  • Battery access, although improved by the side tray, could be further enhanced if it were not on the bottom.

See detailed Review of HOLOSUN HS507K.

3. Holosun 507C X2 – Best for tactical shooting

An open reflex sight with high performance, durability, and versatile features designed for tactical shooting.

Green Super LED: When it comes to sights, the LED quality is the real backbone. Holosun 507C X2 nails it with its Green Super LED.

This isn’t just a brighter dot; it’s an element that affects everything from battery life to how well you can acquire your target. The LED has a stunning 50,000-hour battery life. So, yes, you can pretty much forget about running out of juice anytime soon.

But why Green LED, you ask? Green is easier to see in more lighting conditions than red, making it an excellent choice for both daytime and nighttime use.

Multi-Reticle System (MRS): Alright, let’s talk versatility. The Multi-Reticle System (MRS) is truly one of the most fantastic features. It offers a 2 MOA dot and a 32 MOA circle, and you can switch between these two easily.

It’s like having multiple sights in one. In tactical shooting, your needs can change within seconds. Sometimes, you’re going for precision; other times, speed is the name of the game.

With the MRS, I was able to get quick target acquisition when I needed to fire rapidly, thanks to the larger circle.

When I needed pinpoint accuracy, the 2 MOA dot was perfect. Plus, the green color shines in both reticle options, making it easier to engage targets at any distance.

Solar Failsafe: Even if your battery does run out, which, let’s face it, is unlikely, the sight comes with Solar Failsafe. This feature is a lifesaver. It draws power from any available light source, natural or artificial.

The Solar Failsafe kicks in automatically in Auto Mode and adjusts the reticle’s brightness according to the light conditions. When I was out shooting in broad daylight, the reticle was crisp and bright.

When clouds rolled in, it dimmed down to optimal visibility. This feature reassures you that your sight will always be operational, no matter what the circumstances are.

Durability & Housing: Don’t let the sight’s lightweight design fool you; this thing is tough. Built from 7075 T6 Aluminum, the same stuff used in aerospace, it can withstand the rough and tumble of tactical shooting.

I’ve put this sight through the wringer, and it’s come out unscathed every time. From rainy days to dusty conditions, it’s lived up to the test. The anodized finish further protects against corrosion and abrasion.

Given its resilience, you won’t hesitate to take it with you in any field conditions.

Battery Accessibility: Many sights make the simple task of changing a battery an ordeal. But the Holosun 507C X2 has a side-mounted tray that houses the CR1632 battery.

It was incredibly straightforward to swap out the battery without dismantling the whole sight. The tray is secured tightly but is easy to open when needed, even in the field.

This feature is a game-changer, keeping you focused on shooting rather than fumbling with small screws and possibly losing your zero.

Why I love it: I love this sight for its innovation, reliability, and versatility. The Green Super LED, MRS, and Solar Failsafe features work together harmoniously, making the Holosun 507C X2 a robust choice for tactical shooting.

My Experience

This sight has genuinely revolutionized how I engage targets, be it during practice or in more adrenaline-pumping situations.

The easy battery replacement, combined with the Shake Awake Technology and Solar Failsafe, means I’ve never had to worry about my sight failing me. Plus, its sturdy build can withstand anything I throw at it.

Pros

  • Exceptional Green Super LED technology
  • Versatile Multi-Reticle System
  • Shake Awake Technology for extended battery life
  • Solar Failsafe for a continuous power supply
  • 7075 T6 Aluminum for robust durability
  • Convenient battery accessibility

Cons

  • Slightly wider profile compared to the Glock 43X MOS slide

4. Holosun EPS Carry – Best compact red dot

A rugged, fully weatherproof sight designed for optimal performance on the Glock 43X MOS.

Closed Emitter: The closed emitter is the first feature that grabs your attention. You’re looking at a sight that’s fully weatherproof against dirt, water, and other debris.

That means you can take your Glock 43X MOS through rain, mud, or even desert storms, and your sight will come out unscathed. For practical applications like concealed carry or duty use, this is a huge plus.

You can’t predict the weather, but with a closed emitter, you don’t have to worry about it either.

Side Battery Access: The side battery access is another practical feature that spares you the headache of sight removal during battery replacement.

The convenience can’t be overstated; swap out the battery without losing your zero. For those of us who’ve been through the hassle of re-zeroing, this is a significant time-saver and stress-reducer.

Six Reticle Systems: The Holosun EPS Carry offers six reticle systems: 2 MOA, 6 MOA, and a multi-reticle system with a 32 MOA ring.

The versatility here is immense. Whether you’re shooting up close or at a distance, you can toggle through the reticle options and find what’s most comfortable for your shooting style.

No Lens Distortion: The sight boasts a refined glass window that eliminates edge distortion. This is particularly helpful during dynamic shooting, where you need to make quick target transitions.

Your sight picture remains crisp and clear, which is precisely what you need in those high-stress scenarios.

Rugged Construction: Made of 7075 T6 aluminum and IPX8 rated, this sight is built like a tank. Drop it, bump it, or even submerge it, and it’ll keep ticking.

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For a daily carry or duty weapon, this durability is more than just a selling point; it’s a necessity.

Battery Life: The sight uses a 1620 battery, providing an incredible 50,000-hour battery life. That translates to less time worrying about a dimming sight and more time focusing on your target.

Why I Love It: It’s the small things that make the Holosun EPS Carry exceptional. From the closed emitter to the side battery access, each feature is designed with the end-user in mind. Practical, rugged, and efficient, it’s everything you’d want in a sight.

My Experience

Mounting it was straightforward, thanks to the compatibility with the RMSc plate. During range time, the sight was reliable, offering crisp reticles and holding its zero exceptionally well.

Switching between reticle systems felt intuitive, and I particularly enjoyed the absence of lens distortion.

Pros

  • Extremely durable and fully weatherproof
  • Convenient side battery access
  • Versatile reticle options
  • No lens distortion
  • Long battery life

Cons

  • Requires a turret tool for MOA adjustments

5. Shield RMSc – Best for durability

A compact red dot sight that perfectly complements the Glock 43X MOS with its strength and

adaptability.

Aircraft Aluminum Construction: This sight is made of aircraft aluminum, giving it a robustness you can count on. It might not be as rugged as some other options, but it’s more than durable enough for everyday concealed carry.

Those distinctive support rails on both sides? They aren’t just for looks; they add essential rigidity and strength to the optic.

LED 4 MOA Dot: The 4 MOA dot is an excellent feature, offering just the right balance between visibility and precision. For me, a 4 MOA dot is the sweet spot; it’s large enough to acquire quickly but small enough to allow for accurate shots at a distance.

Glass & Parallax-Free 1X Lens: You can choose between a polymer and a glass lens, depending on what you’re looking for.

The glass lens option provides a clear and crisp sight picture, and it’s parallax-free at 1X magnification, allowing for more accurate aiming.

Auto-Adjusting Brightness: Being a ‘permanently on’ optic, the RMSc automatically adjusts to ambient lighting conditions.

Whether you’re in broad daylight or a dimly lit room, the sight adapts so you don’t have to fiddle around with manual settings.

Why I Love It: The Shield RMSc checks a lot of boxes for me. It’s compact, durable, and features an auto-adjusting reticle that’s a real timesaver. Plus, the 4 MOA dot is just right for my needs.

My Experience

Installation was a breeze, fitting perfectly on my Glock 43X MOS. During my range sessions, the sight held its own, offering a consistently clear sight picture.

The auto-adjusting brightness was spot-on, and I found the 4 MOA dot to be exceptionally user-friendly.

Pros

  • Durable aircraft aluminum construction
  • Auto-adjusting brightness
  • Clear, parallax-free lens
  • Seamless fit with Glock 43X MOS
  • Versatile 4 MOA dot

Cons

  • Not as rugged as some other options

6. Swampfox Sentinel – Best for wide viewing window

Compact yet powerful, Swampfox Sentinel fits like a glove on your Glock 43X MOS.

Auto Brightness Model: The Swampfox Sentinel really shines, no pun intended, with its auto-brightness feature. Located on the left side of the body, a photosensitive sensor adjusts the brightness of the dot relative to ambient light conditions.

In practical terms, you don’t have to fiddle with buttons when transitioning from bright sunlight to low-light environments. It’s like having a sight with intuition; it knows just how bright to be when you need it the most.

Compact Unobstructive Fit: Compact might as well be this sight’s middle name. With a 16mm x 16mm window, this sight offers a field of view that is just the right size: large enough for quick target acquisition but small enough not to mess with concealment.

It’s like a perfect compromise between visibility and portability, a feature you’ll truly appreciate when you’re in action.

Duty Grade: If you’re worried about durability, don’t be. This thing is made from 7075 aluminum that’s hard-coat oxidized.

You could literally drop this from shoulder height or use it in the rain, and it’ll still perform like nothing happened.

Double the Life: Battery life is often the Achilles heel of electronic gadgets. Not here. The CR2032 battery gives you about two years of real-world battery life.

Yep, you read that right: two years. It’s a low-maintenance relationship that you and your Glock will certainly appreciate.

Large Field of View: While the compact design gives you an unobtrusive fit, the large field of view ensures that you can acquire your target with ease.

Unlike other red dot sights where you might struggle to find your target, here, it almost feels like the sight does half the work for you.

Manual and Automatic Brightness: Flexibility is key, and this sight offers both manual and automatic brightness settings.

Whether you’re someone who prefers to set and forget or someone who likes to have control, there’s an option here for you.

Why I love it: Why do I love the Swampfox Sentinel? It’s simple, really. This sight offers a robust set of features without complicating the shooting experience.

It’s like having a personal assistant that knows exactly what you need and delivers without being asked.

My Experience

Let me tell you, this sight didn’t disappoint. From the moment I installed it, everything just clicked. Quick target acquisition, robust construction, and the battery life, oh the battery life! Two years without a change is a game-changer.

Pros

  • High-quality 7075-T6 aluminum construction
  • Intuitive auto-brightness setting
  • Long-lasting CR2032 battery
  • Large field of view
  • Manual and auto brightness options
  • Perfect fit for Glock 43X MOS

Cons

  • Battery replacement can be a tad annoying due to small screws

7. SIG Romeo Zero Elite – Best value for money

A budget-friendly sight with top-notch features, optimized for Glock 43X MOS.

Scratch-Resistant Glass Aspherical Lens: Alright, let’s dive into the good stuff! The Romeo Zero Elite comes equipped with a scratch-resistant glass aspherical lens.

What this means for you is a crystal-clear view and, more importantly, a distortion-free sight picture. The lens is made of high-quality glass that maintains its clarity over time, so you don’t have to worry about minor scuffs or scratches affecting your accuracy.

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Durable Carbon-Infused Polymer Housing: Durability is a huge plus for this sight. It comes encased in a carbon-infused polymer housing with a reinforced lens area.

So, if you’re someone who’s a little rough on their gear, this sight has got you covered. As a bonus, it even comes with a hardened steel protective shroud, providing an extra layer of protection.

Visibility and Anti-Reflection: Visibility? Check. The rear surfaces of the housing include anti-reflection grooves, and there’s a backup rear sight notch marked with Grade A Swiss SuperLuminova pigment.

You’ll appreciate this feature when you find yourself in low-light environments. With the 8 illumination settings, you can adjust the brightness according to the situation you’re in.

Touch-Activated Programming: Let’s not overlook the T.A.P technology. A simple tap on the optic allows you to change brightness and reticle options.

No more fiddling with hard-to-reach buttons, folks! It’s user-friendly and super convenient.

Why I Love It: So, why do I love this sight? It’s simple: great features at an affordable price point. As someone who enjoys both casual shooting and competition, the Romeo Zero Elite delivers exactly what I need without breaking the bank.

My Experience

The sight fits perfectly on my Glock 43X MOS and performs exceptionally well in the field. Its quick target acquisition has helped me improve my accuracy noticeably.

The T.A.P feature makes it really easy to adjust settings on the fly, which has been a game-changer for me.

Pros

  • Excellent visibility features for low-light conditions
  • Long battery life
  • User-friendly Touch-Activated Programming
  • Lightweight and compact, ideal for Glock 43X MOS

Cons

  • Not as durable as some other pricier options

8. Hex Wasp – Best user-friendly

A versatile and rugged red dot sight, perfect for Glock 43X MOS users who favor ease-of-use and automatic adjustments.

6061-T6 Aluminum Housing with Anodized Finish: First off, let’s talk about build quality. The Hex Wasp is made from 6061-T6 Aluminum and features an anodized finish.

That combination gives you a robust, long-lasting sight that can withstand moisture and the elements. Being out in the field, I found it to hold up quite well under various weather conditions. No rust, no degradation, and certainly no feeling that it’s going to let me down when I need it the most.

Clarity and Lens Quality: Nothing’s worse than a blurry or hazy sight picture, right? Fortunately, the Hex Wasp comes with a crystal-clear lens that allows for a vivid view.

This has been particularly useful for me during fast target acquisition. The sharp image ensures you don’t miss your mark, and I found it made a world of difference when switching between targets.

Automatic Brightness Adjustment: Now, I know some folks prefer manual adjustments for reticle brightness, but hear me out. The Hex Wasp’s automatic brightness adjustment is actually pretty slick. I’ve found it to be accurate and quick in adapting to changing light conditions.

Whether I was in broad daylight or in a dimly lit environment, the sight adjusted itself flawlessly. It’s a great hands-off feature for those who like to focus on the shot.

3.5 MOA Dot Reticle: The 3.5 MOA dot is what I consider to be the “Goldilocks” of reticle sizes; it’s just right. It’s large enough to easily find but not so large that it obscures the target.

I found this size to be especially useful for mid-range shots where pinpoint accuracy is needed.

Long Battery Life: Battery life is a crucial aspect of any electronic sight. The Hex Wasp offers around 2 years of battery life, which is pretty fantastic.

I haven’t had to worry about my sight going dark in the middle of a shooting session, and that peace of mind is invaluable.

Why I Love It: So why do I find the Hex Wasp to be a keeper? Its exceptional build quality and user-friendly features make it an all-around reliable option.

And I can’t stress enough how helpful the automatic brightness adjustment has been for me.

My Experience

I’ve put the Hex Wasp through its paces on my Glock 43X MOS, and let me tell you, it’s been a great ride. From the easy installation to the reliable performance, it’s been everything I wanted in a sight.

Pros

  • Rugged 6061-T6 Aluminum construction with an anodized finish
  • Crystal-clear lens for exceptional clarity
  • Automatic brightness adjustment works well in various lighting conditions
  • Long-lasting battery life
  • Versatile 3.5 MOA red dot reticle

Cons

  • Placement on the gun can be finicky; requires occasional readjustment

Best Mounting Plates for Glock 43X MOS

Before installing a red dot sight on your Glock 43x, you need to get a mounting plate. Here are my top picks for the best mounting plates for Glock 43x MOS.

  • chpws adapter plate
  • Outerimpact Micro Red Dot Adapter Compatible with Glock Except MOS
  • DPP Titanium Adapter Plate for Glock 43X/48 MOS

Final Verdict

Alright, folks, we’ve explored the cream of red dot sights for your Glock 43X MOS, from the game-changing Trijicon RMRcc to the budget-friendly SIG Romeo Zero Elite.

The best sight for you depends on your individual needs and preferences. Some of you might prioritize durability, while others may be looking for something budget-friendly.

At the end of the day, it’s all about what best suits your shooting style. So go ahead, make your choice, and may your aim be ever true!

FAQ’s

What is the best dot for the 43X MOS?

The best dot for the 43X MOS is the Trijicon RMRcc, based on my extensive testing.

What red dots mount to Glock MOS?

Red dots like Trijicon RMRcc, Holosun 507K X2, and SIG Romeo Zero Elite can mount to Glock MOS.

How accurate is the Glock 43X MOS?

The Glock 43X MOS is highly accurate, thanks to its improved trigger, ergonomic grip, and longer sight radius.

Is it worth putting a red dot on a Glock?

Yes, adding a red dot can improve accuracy, especially at longer distances.

Is the G43X MOS worth it?

Yes, the G43X MOS is a reliable and affordable carry gun with great features.

What does Glock 43X MOS stand for?

MOS stands for Modular Optics System, a feature designed to accommodate various red dot optics.

What generation is Glock 43x MOS?

The Glock 43X MOS is part of the Gen5 series, featuring the match-grade GLOCK Marksman Barrel.

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Ethan Smith is a seasoned marine veteran, professional blogger, witty and edgy writer, and an avid hunter. He spent a great deal of his childhood years around the Apache-Sitgreaves National Forest in Arizona. Watching active hunters practise their craft initiated him into the world of hunting and rubrics of outdoor life. He also honed his writing skills by sharing his outdoor experiences with fellow schoolmates through their high school’s magazine. Further along the way, the US Marine Corps got wind of his excellent combination of skills and sought to put them into good use by employing him as a combat correspondent. He now shares his income from this prestigious job with his wife and one kid. Read more >>