Description
The AmeriGlo Classic set is one of those upgrades that pays off the first time you pick up your pistol in a dark room. It swaps out the factory Glock plastic for a proper night sight setup: a green tritium front dot and two green tritium rear dots, each ringed in a bright white outline so you get a crisp, three-dot picture in daylight and self-luminous glow when the lights go out. AmeriGlo builds these from CNC-machined steel and assembles them with Swiss-made tritium, which is about as good as it gets for a self-illuminating reference.
Why the Classic 3-Dot Layout Works
The traditional 3-dot design has been the standard among defensive, military, and law enforcement users for a long time, and there's a reason it stuck around. Your eye lines up the two rear dots with the single front dot, and you're on target. It's simple, fast, and doesn't require any special training or holdover math. The front blade measures 0.125 inches wide with a 0.150-inch square rear notch, giving you enough light on either side of the front post for quick alignment without feeling cramped.
Fit and Install for Your Compact Glock
This GL-430 set is cut specifically to fit the Glock 42, 43, 43X, and 48, and it also works with the MOS slide variants. Folks who've swapped these on their 43X and 48 carry guns consistently mention how straightforward the install is with the right sight pusher or drift punch. If you've been running the stock sights and want something that holds up to daily carry and range days, this is a clean, no-drama upgrade.
Day and Night Visibility
During the day, the white outlines carry the sight picture and stand out against a dark target. Once the sun drops, the green tritium takes over and glows on its own with no batteries and no charging required. Green is the brightest tritium color to the human eye, which is exactly why it's the go-to for a carry gun you might need to run in low light.
Key Specifications
- Manufacturer: AmeriGlo
- Manufacturer Part Number: GL-430
- UPC: 644406908746
- Fits: Glock 42, 43, 43X, 48 (incl. MOS slide)
- Style: Classic 3-Dot Tritium Night Sight Set
- Front Sight: Green Tritium, White Outline
- Rear Sight: 2-Dot Green Tritium, White Outline
- Rear Notch Shape: Square
- Front Blade Width: 0.125 in. (3.18mm)
- Front Blade Height: 0.165 in. (4.19mm)
- Rear Notch Width: 0.14 in. (3.56mm)
- Rear Blade Height: 0.248 in. (6.3mm)
- Material: CNC-Machined Steel
- Finish: Black / Matte
- Tritium Source: Swiss-Made
- Country of Origin: Made in USA
What’s Included
- Green tritium front sight with white outline
- Green 2-dot tritium rear sight with white outline
Frequently Asked Questions
Will the AmeriGlo GL-430 set fit my Glock 43X or 48?
Yes. This set is cut specifically for the Glock 42, 43, 43X, and 48, including the MOS slide versions. It's the correct model for any of those compact and slim-frame Glocks.
Do these AmeriGlo tritium sights need batteries or charging?
No. The tritium lamps are self-luminous and glow on their own with no batteries and no light exposure needed. Tritium naturally gives off a soft green glow, so the dots are ready any time you draw in low light.
What color are the dots on this AmeriGlo Classic set?
Both the front and rear are green tritium ringed in bright white outlines, giving you three green dots at night and a white 3-dot picture in daylight. Green is the brightest tritium color to the human eye, which is why it's the most popular choice for carry guns.
Are these easy to install on my Glock at home?
Most people find the swap straightforward with a proper sight pusher tool or a brass drift punch to protect the finish. The rear drifts into the dovetail and the front secures underneath the slide. If you're not comfortable doing it yourself, any gunsmith can knock it out in a few minutes.






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