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7 Best Glock 43 Sights in 2021 — Reviews & Top Picks

Last Updated on April 22, 2021

truglo tritium sights 2_Amazon

There are few pistols more iconic or reliable than a Glock. But just because they’re an extremely popular option doesn’t mean that you can’t improve them.

In fact, when it comes to upgrades and attachments, you’ll find that few weapons have more options than the Glock. That’s why we did the hard work for you and tracked down the best sights and reviewed them.

If you’re still unsure what you need after reading these reviews, check out the buyer’s guide that will break down everything that you need to know before purchasing a sight.

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A Quick Comparison of Our Favorites

Image Product Details
Best Overall
Winner
TRUGLO Tritium Handgun Night Sights TRUGLO Tritium Handgun Night Sights
  • Affordable
  • Compact design
  • Four style options
  • Second place
    AmeriGlo GL-436 Hackathorn Sight AmeriGlo GL-436 Hackathorn Sight
  • Affordable
  • Made in the U.S.A.
  • Easy to install
  • Premium Choice
    Third place
    Trijicon Night Sight Sets Trijicon Night Sight Sets
  • 5-year warranty
  • Five color options
  • Three styles
  • XS Sights New DXT2 Big Dot Night Sight XS Sights New DXT2 Big Dot Night Sight
  • Five sizes
  • 10-year warranty
  • Made in the U.S.A.
  • XS Sights 3-Dot Tritium Night Sights XS Sights 3-Dot Tritium Night Sights
  • Made in U.S.A.
  • Bright design
  • Three sizes
  • The 7 Best Glock 43 Sights — Reviews 2021

    1. TRUGLO Tritium Handgun Night Sights — Best Overall

    truglo green glock_Amazon

    If you’re looking for the best all-around sight, it’s clearly the TRUGLO Tritium Handgun Night Sight. Not only does it excel at performance, but it’s also available for a great price. The sight glows in the dark, but it’s bright enough that you can see everything during the day too.

    Moreover, only the shooter can see the dots, which means your sight won’t give away your position during tactical applications. In the end, this is a high-quality compact Glock sight that’s available for an excellent price.

    That said, we wish that this sight had a focus lock ring like some other, more expensive options.

    Pros
    • Affordable
    • Four style options to choose from
    • Glow-in-the-dark design
    • Bright enough to see during the day
    • It can only be seen by the shooter
    • Compact design
    Cons
    • It does not have a focus lock ring

    2. AmeriGlo GL-436 Hackathorn Sight

    ameriGlo GL-436_Amazon

    An incredibly affordable sight for your Glock 43 is the AmeriGlo GL-436 Hackathorn Sight. As the name implies, AmeriGlo manufactures this sight in the United States. As another perk, it’s extremely easy to install and use.

    However, while this sight is in the same price range as the TRUGLO sight, the dots aren’t nearly as bright. This isn’t an issue when you’re shooting in low-light conditions, but when you’re shooting during a bright day, it can be difficult, if not impossible, to see.

    If the AmeriGlo sight could improve upon its brightness, this sight would be in contention for our top choice.

    Pros
    • Affordable option
    • Made in the U.S.A.
    • Easy to install and use
    Cons
    • Not as bright as top-end sights

    3. Trijicon Night Sight Sets — Premium Choice

    trijicon sight_Amazon

    If you’re not worried about how much your Glock 43 sight costs, then it’s hard to beat the Trijicon Night Sight. It’s certainly not a low-priced choice, but it’s an ultra-reliable sight that gives you tons of flexibility.

    There are three different styles to choose from and five different color options, all of which ensure that you get a perfect fit for your Glock. The orange dot sights come with a 5-year warranty, while the green dot sights come with a 12-year warranty.

    However, while the orange dot sights might not last as long, they’re much easier to see regardless of lighting conditions. In the end, these sights are great, but you’ll have to spend more for them.

    Pros
    • Three styles to choose from
    • Five color options
    • It comes with a 5-year warranty
    • Easy to see — even during the day
    Cons
    • More expensive option

    4. XS Sights New DXT2 Big Dot Night Sight

    XS sight DXT2_Amazon

    The XS Sights New DXT2 Big Dot Night Sight is an outstanding choice if you have a big budget. There are five different size options for this sight, ensuring that you can get a perfect fit for your Glock 43. Moreover, there are two color options, and all sights come with a 10-year warranty.

    As the name implies, the dot on this sight is incredibly large. But as long as you’re not lining up a precision shot, this is a great perk.

    This sight is proudly made in the U.S.A. and gives you a bright and clear target regardless of shooting conditions. This sight is expensive but worth every penny.

    Pros
    • Five sizes
    • Two-color options
    • 10-year warranty
    • Made in the U.S.A.
    • Provides a bright and clear target
    Cons
    • More expensive option

    5. XS Sights 3-Dot Tritium Night Sights

    XS sight 3dot_Amazon

    While the XS Sight is a great choice, it does not come with a front sight tool that you’ll need for installation.

    If you already have one or plan on getting your sight professionally installed, this isn’t a big deal, but if you’re not, it could be a problem. Also, while this sight isn’t overly expensive, it’s not exactly cheap for what you get.

    But this sight does have an extremely bright dot that you can see during the day, and there are three size options, so you can get a perfect fit on your Glock 43. Still, we’d rather save a little money and get a sight that performs just as well.

    Pros
    • Three size options
    • Made in the U.S.A.
    • Bright design
    Cons
    • Sight tool is not included
    • More expensive for what you get

    6. AmeriGlo Spartan Tactical Operator Sight

    ameriGlo spartan_Amazon

    This is an AmeriGlo sight that will work for your Glock 43. It’s a little expensive, but it has an orange sight that is easier to see in the day. However, its green dot is still all but invisible during daylight, which is a significant concern.

    AmeriGlo makes the Spartan Tactical Operator sight in the U.S.A., and it has a high-quality construction. It’s an extremely durable option, but you might soon find that you want to replace this sight with a better quality one.

    Pros
    • Has both green and orange illumination
    • High-quality construction
    • Orange sight is easy to see during the day
    Cons
    • It only works for Glock 42 and 43
    • Green sights can be hard to see on bright days

    7. Meprolight 42 G/G Tru-Dot Sight

    meprolight 42_Amazon

    The Meprolight 42 G/G Tru-Dot Sight is an extremely lightweight sight that has an energy-efficient design that extends its service life. However, that’s where the perks stop.

    For starters, it’s made in China and has questionable quality control, so you’ll need to give your sight a good look over once you get it. Also, it’s fairly expensive. But the biggest concerns with this sight are the lights.

    While they might be energy efficient, they simply aren’t bright enough. If you plan on exclusively using this sight at night, you’ll be fine, but if you need it throughout the day, you should opt for something different.

    Pros
    • Extremely lightweight option
    • Energy-efficient design ensures long-lasting life
    Cons
    • Made in China
    • It only fits a Glock 42
    • Slightly expensive
    • Lights are not bright enough

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    Buyer’s Guide

    When you’re looking at new sights for your Glock 43, you’re bound to have a few questions. That’s why we took the time to create this guide to walk you through the most critical factors. You can rest easy knowing that you’re getting an incredible sight from the get-go.

    Why You Should Upgrade Your Iron Sights

    shooting pistol_dave varabioff_Pixabay

    Image Credit: dave varabioff, Pixabay

    You might be asking yourself why you should upgrade your iron sights. You might like them, and you’ve probably practiced with them at the range a time or two. But the truth is that you’re losing functionality by sticking with them.

    Compared to the tritium sights on this list, stock iron sights simply can’t compete. You’ll notice the most significant upgrades that tritium sights offer when night shooting. Instead of straining to see an iron sight, these sights glow without interfering with your night vision. Moreover, in tactical situations, they don’t give away your position, which is a huge perk.

    While the most significant upgrade to these sights is at night, that’s not the only time that you’ll notice a difference. These sights are extremely easy to use and will actually increase your target acquisition time, even during bright days.

    Another advantage is their compact and lightweight design. These sights sit close to flush against your Glock 43, which means that they’ll fit in most holsters, and you don’t have to worry about them snagging on anything. This ensures that these sights are ideal for tactical situations or home defense.

    What’s impressive is that these sights have all these features without restricting your field of view or any other negative drawbacks. It’s a rare case of upgrading your sights and not seeing any disadvantages — as long as you get the right sight.

    What Is Tritium?

    pistol sight_MikeGunner_Pixabay

    Image Credit; MikeGunner, Pixabay

    Tritium is a radioactive form of hydrogen, which is why many people are wrongly afraid of tritium sights. The truth is that tritium sights only contain a scant amount of tritium, just enough to make the dots on the sight glow.

    From there, the sights actually contain the tritium into the sight, so even scant amounts are well contained. In fact, if you test the area around the sight for radioactive activity, you won’t find any increased levels, so these sights are perfectly safe.

    The tritium ensures that you get an extremely bright sight — without batteries. Unlike red dot sights that require you to constantly replace the batteries for everything to operate, you’ll never have to replace the batteries on these sights. Even better, you’ll never even have to turn them on, which is one less thing to worry about when you need to use your Glock 43. The only real drawback to tritium is that over time, it will wear out.

    As long as you get a high-quality sight from a reputable brand, it’s not a significant concern. Most tritium sights will last anywhere from 8 to 15 years, which is an incredibly long time for a sight.

    But just be aware that these sights won’t last forever, no matter which one you choose.

    What Color Illumination Do You Want?

    When you’re looking at tritium sights, you’ll notice that there are several color options. While there is no right or wrong choice, some colors do excel in certain situations. For example, orange dot sights are typically a little brighter than other colors, which means they’re easier to see during the day. If your sight doesn’t have dots with a daytime mode, this can be a huge deciding factor. That said, orange sights don’t usually last as long as their green counterparts. While orange sights typically have a lifespan of 6-10 years, a green sight can easily last up to 15 years.

    So, if you do have a sight that comes with a daytime mode, you’re better off sticking with green dots.

    You can also find a yellow dot, which is a bit of a hybrid between the green and the orange. However, what it really means is that you’re getting a dot that isn’t as bright as orange ones but has a shorter battery life compared to green ones.

    We recommend avoiding the problem entirely by sticking with a sight that has a daytime mode — this way, you don’t have to worry about finding a glowing dot during a bright sunny day.

    Installing Your Sight

    pistol sights_ja-images_Shutterstock

    Image Credit: ja-images, Shutterstock

    If you know what you’re doing, you can install your new Glock 43 sight yourself, but if you don’t, it’s best that you leave it up to the professionals. For all the perks that these sights offer, one drawback is that they’re not always the easiest to set up.

    Still, installation is a one-time cost that will ensure that your Glock 43 hits what you’re aiming at every time. Even better, when you properly install the sight, you’ll actually get a brighter and crisper view of the tritium dots.

    So, while many users complain that a certain sight isn’t bright enough, most of the time, it’s because they didn’t correctly install the device. Don’t settle for years of frustration; ensure that you install them correctly.

    Check the Warranty

    The last thing that you want is to spend a ton of money on a sight, only to have it break soon after you install it. That’s why you want to stick with a company that warranties its products whenever possible. This is especially true with tritium sights.

    You don’t want to install a sight that’s been sitting in a warehouse for years on end. Otherwise, you’ll find that you’re replacing your sight far sooner than you should. A warranty is a manufacturer putting its money where its mouth is.

    While every company likes to state that its products will last, only a company with a warranty guarantees it. Of course, the tradeoff for this guarantee is often the price. But while you might have to spend more up front, you won’t have to worry about doling out cash if your sight does break in a year or two.

    The Biggest Factor: How Bright Is It?

    pistol sights brightness_ROG5728_Wikimedia

    Image Credit: ROG5728, Wikimedia

    When you’re looking for a tritium sight for your Glock 43, there’s no doubt that the most important factor is the brightness level. If the dots aren’t bright enough, you won’t be able to see them during the day, so all you have is a nighttime handgun.

    That’s not what anyone wants, which is why you should stick with the options that have extremely bright nighttime optics that transform into a white dot that you can see throughout the day, no matter how bright it is outside.

    When you’re looking for a versatile sight, this is a critical feature that you won’t want to do without.

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    Conclusion

    Finding the right sight for your Glock 43 doesn’t need to be a complicated endeavor. While there are tons of choices out there, if you know what you’re looking for, it can be easy — and you don’t have to spend a ton of money.

    Hopefully, after reading this guide, you have the confidence to upgrade your iron sights on your Glock 43. With any of the sights that we made reviews of here, such as the TRUGLO Tritium Handgun Night Sight and the AmeriGlo GL-436 Hackathorn Sight, you’ll be glad that you did.

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    About the Author Robert Sparks

    Robert’s obsession with all things optical started early in life, when his optician father would bring home prototypes for Robert to play with. Nowadays, Robert is dedicated to helping others find the right optics for their needs. His hobbies include astronomy, astrophysics, and model building. Originally from Newark, NJ, he resides in Santa Fe, New Mexico, where the nighttime skies are filled with glittering stars.