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Swapping out those flat factory Glock sights for something that works around the clock is one of the easiest upgrades you can make, and this Night Fision set does it right. The yellow front ring grabs your eye fast in daylight while the blacked-out rear stays quiet in the background, letting you focus on that front dot where it counts. When the sun drops, three green tritium vials take over and give you a clear, always-on aiming reference in low light and full dark.
Most night sights use a painted-on ring that flakes and fades over time. Night Fision goes a different route with a patented injection-molded sleeve that locks the tritium vial in place and forms what they call the Perfect Dot. The ring is impregnated with a fluorescent pigment, so it pops in daylight and won't chip or wear off. A domed lens over the vial collimates the tritium rays for a crisp, defined glow instead of a fuzzy blob.
The bodies are CNC machined from steel and finished in black nitride for solid corrosion and wear resistance. This YGZG set fits a wide range of Glocks including the 17, 17L, 19, 22 through 28, 31 through 35, and 37 through 39, so one part number covers most standard-frame guns. Front sight width runs 0.140 inches, front height is 0.213 inches, and the rear sits at 0.256 inches. Everything is built in the USA using Swiss tritium.
These are fixed sights that go on the standard front post and rear dovetail. A 3/16 nut driver handles the front and a sight pusher or nylon punch takes care of the rear, and most folks have them mounted in a couple minutes with the right tools. Night Fision backs the tritium with a long illumination guarantee, so you get years of reliable glow. Yellow up front is a favorite for anyone whose eyes want a big, easy-to-catch dot, and the black rear keeps your attention exactly where it belongs.
This YGZG set is built for the standard-frame lineup and fits models like the 17, 17L, 19, 22 through 28, 31 through 35, and 37 through 39. It does not fit the larger-frame guns such as the 20, 21, 29, 30, 36, 40, or 41. Check your specific model against that list before ordering to be sure you get the right set.
They mount on the standard Glock front post and rear dovetail, so it's a straightforward job with the right tools. A 3/16 nut driver handles the front sight and a sight pusher or nylon punch takes care of the rear, and most people have them on in a few minutes. If you don't have the tools or aren't comfortable doing it yourself, a gunsmith can knock it out quickly.
The yellow front ring is easier for a lot of eyes to catch fast in daylight, especially if you deal with astigmatism or just want a bigger, bolder reference. Pairing it with the blacked-out rear pushes your focus right to that front dot where it should be. At night, both sights light up green from the tritium, so you still get a full three-dot picture.
Night Fision uses Swiss tritium and backs the illumination with a multi-year guarantee, so you're looking at years of steady glow. The vials are self-powered, meaning there are no batteries to swap or switches to flip. They shine brightest in low-light and dark conditions rather than pitch black, which is exactly the real-world lighting most defensive scenarios involve.
| UPC | 856386007092 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GLK-001-003-YGZG |
| Model | |
| Shipping Weight | 0.07 |
| Style | Night Sights |
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