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Trijicon built the HD Night Sight line for people who need to find their front sight fast and put rounds where they matter, whether that's a home-defense scenario in the dark or a range session in fading light. This large-frame set drops onto a long list of Glock pistols and gives you a genuine upgrade over factory plastic sights, both in visibility and toughness.
The front sight uses a taller blade wrapped in bright yellow photoluminescent paint, with a green tritium lamp at its center. That yellow ring is what grabs your eye in daylight and dusk, and it soaks up ambient light to keep glowing during those tricky transitional moments when your eyes haven't adjusted yet. Yellow tends to hold that stored glow longer than the orange option, which is why a lot of folks pick it for a nightstand gun. The rear sight skips the distracting dots up front and instead gives you a blacked-out outline around a wider U-shaped notch, so your focus naturally snaps to that front dot instead of getting split three ways.
These aren't fragile. Each tritium lamp sits cushioned in silicone rubber inside an aluminum cylinder, then gets capped with a sapphire jewel that shrugs off cleaning solvents and spreads light evenly across the dot. Trijicon also steeply hooks the front face of the rear sight, giving you a lip to rack the slide one-handed against a belt or boot heel if a hand ever gets pinned. The green tritium carries Trijicon's 12-year warranty and needs no batteries, ever.
This set fits Glock models 20, 21, 29, 30, 36, 40, and 41, including S and SF variants, but it will not work with MOS models. Because of the tight tolerances involved, a proper sight pusher and a steady hand are the way to go, so most people have a gunsmith press these on to keep everything aligned and avoid marring the slide.
This large-frame set fits the Glock 20, 21, 29, 30, 36, 40, and 41, including the S and SF variants. They are not compatible with Glock MOS models, which require Trijicon's suppressor-height Bright & Tough sights instead. Always confirm your specific model before ordering.
No batteries at all. The green tritium lamps glow continuously on their own, and the yellow photoluminescent paint on the front sight absorbs ambient light to help it stand out in transitional lighting. The tritium is backed by a 12-year warranty.
You can, but these have tight tolerances and press on firmly, so a sight pusher tool is really the right way to do it. Most people have a gunsmith install them to keep the sights aligned and avoid scratching or damaging the slide. If you're not set up with the right tools, that small install fee is money well spent.
The tritium is the same green on both, but the yellow paint ring tends to hold onto stored light noticeably longer than orange in the dark. That makes the yellow a popular pick for a home-defense or nightstand pistol. It also gives excellent daytime contrast against most targets.
| UPC | 719307209701 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GL104Y |
| Color | Yellow Outline |
| Elevation Adjustment | No |
| Length | 7.1 |
| Model | |
| Package Height | 0.7 |
| Package Width | 5.1 |
| Product Type | Accessory-Lasers and Sights |
| Shipping Weight | 0.1 |
| Sights | Yellow Front and Black Rear |
| Style | 3-Dot |
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