Description
The factory Glock front sight does the job, but there's a reason so many owners pull it the day they get home. AmeriGlo's Classic GL-112 replaces that plain polymer post with a self-luminous green tritium lamp wrapped in a white outline, so your eye snaps right to it whether you're on a bright range or clearing a dark hallway. It measures .165 inches tall and .140 inches wide, which is the standard stock height for Glock pistols, and it fits across the whole Glock lineup.
What Sets the GL-112 Front Sight Apart
This one is built from nitride-treated alloy steel, so it shrugs off holster wear and corrosion far better than the original polymer piece. The face is serrated to cut down on glare, which keeps that front post crisp when the sun is working against you. The green tritium is the easiest color for most eyes to pick up in low light, and the white ring around it gives you a defined aiming point during the day. AmeriGlo has been under the Trijicon umbrella since 2016, and the tritium vials used here are the same quality you'd expect from a name people trust for night sights.
Installing the AmeriGlo Green Tritium Front Sight
The front sight is one of the simpler upgrades you can do at the bench. It secures with the standard hex nut on the underside of the slide, and plenty of folks knock it out at home in ten or fifteen minutes with the right tool. If you're pairing it with a new rear or you want it torqued down properly, a gunsmith can handle it in a few minutes. Owners consistently mention how much faster the front dot is to pick up compared to the stock post.
Who Reaches for a Sight Like This
Carry guns, home-defense pistols, and duty Glocks all benefit from a front reference that works when the lights are out. If you shoot in changing conditions or your eyes aren't what they used to be, that glowing green dot buys you speed and confidence without adding any bulk to the slide.
Key Specifications
- Manufacturer: AmeriGlo
- Manufacturer Part Number: GL-112
- UPC: 644406900184
- Fits: All Glock Models
- Sight Type: Tritium Front (Night Sight)
- Style: Classic
- Front Tritium Color: Green
- Outline Color: White
- Blade Height: .165 in (4.19mm)
- Blade Width: .140 in (3.56mm)
- Finish: Nitride-Treated Case-Hardened Alloy Steel, Black
- Face: Serrated, Low-Glare
- Color: Green
- Shipping Weight: 0.1 lb
What’s Included
- AmeriGlo GL-112 Classic green tritium front sight (front only)
Frequently Asked Questions
Will the GL-112 front sight fit my Glock?
Yes, this Classic front sight is cut to fit all Glock models across the different generations. It comes in the standard .165 inch stock height, which is what most Glocks ship with from the factory. If you're changing the rear sight too, just make sure your rear height is matched to this .165 front so your point of aim lines up.
How long does the green tritium stay lit?
Tritium is self-powered and glows without any batteries or charging from a light source. The vials in AmeriGlo sights are rated to stay usefully bright for many years before they slowly dim, which is typical for quality night sights. Since AmeriGlo runs under Trijicon, you're getting the same class of tritium found in trusted night sight setups.
Can I install this front sight myself?
Plenty of owners install the front sight at home in about ten to fifteen minutes. It threads on with a hex nut underneath the slide, so a front sight tool makes the job quick and clean. If you'd rather not fuss with it, any gunsmith can seat it in a few minutes.
Does this replace both sights or just the front?
This is the front sight only. If you want a matched setup, you'll want to pair it with an AmeriGlo rear cut to the correct height for a .165 front. Running the green tritium front against a black or tritium rear is a popular combo for both carry and range use.





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