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Night Fision built this Perfect Dot set to solve the oldest problem with iron sights: finding them fast when the light drops. The yellow-outlined front sight pulls your eye in during the day, while the tritium vial keeps glowing all night without batteries or charging. Pair that with the U-notch rear and you get a sight picture that funnels your focus straight to the front dot, which is exactly where you want it under pressure.
The secret is in the ring. Instead of a painted-on white circle around the tritium like most sights use, Night Fision molds the outline from a daylight-fluorescing material they call the Perfect Dot. It grabs light and glows in the daytime, then hands off to the tritium once things go dark. These sets also run more tritium than the average night sight and use a domed lens that collimates the light into a crisp, defined dot rather than a fuzzy smear.
Components are CNC machined from steel and finished in black nitride, which holds up to holster wear and resists corrosion better than softer coatings. This set uses OEM blade heights, so it co-witnesses with your standard Glock zero. It covers a huge chunk of the lineup, fitting the Glock 17, 17L, 19, 22 through 28, 31 through 35, 37, 38, and 39.
The yellow front is a favorite for folks who want a front dot that stands out against dark clothing or busy backgrounds without going full high-viz. The tritium is genuine Swiss gas, and Night Fision assembles everything stateside in Metro Detroit. Installation is gunsmith recommended since the rear especially takes a proper sight pusher to seat without marring the slide, so if you don't have the tools it's worth a quick trip to your local shop.
This set is cut for the OEM sight dovetails on the Glock 17, 17L, 19, 22 through 28, 31 through 35, and 37 through 39. That covers most full-size and compact Gen models in 9mm, .40, .357 SIG, and .380. If you're running a slimline like the 43 or 42, you'll want the version cut for those slides instead.
Tritium glows through radioactive decay, so it fades gradually over roughly 12 years of half-life. You'll get years of reliable low-light glow before it noticeably dims, and Night Fision packs more tritium into these than the average set. No batteries, switches, or charging required.
The front sight is usually straightforward with a Glock front sight tool, but the rear is a tight press fit and Night Fision recommends a gunsmith or a proper sight pusher. Driving the rear with a punch and hammer risks marring your slide or cracking the sight. If you don't own a pusher, most local shops will seat them in a few minutes.
The yellow fluorescent front ring is designed to pop against dark backgrounds and busy environments in daylight, which many people find faster to pick up than a plain white dot. At night, both use green tritium so you still get a full glowing sight picture. It comes down to how quickly your eye grabs that front sight, and yellow tends to stand out.
| UPC | 856386007122 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GLK-001-007-YGW |
| Elevation Adjustment | No |
| Model | |
| Product Type | Front/Rear Set |
| Style | Night Sights |
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