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The AmeriGlo GL431 takes the guesswork out of aiming your compact Glock when the sun goes down. This is AmeriGlo's Classic series, the traditional three-dot layout that's been a go-to for personal defense, military, and law enforcement users for years. You get a green tritium front dot paired with two yellow tritium dots on the rear, and that color split is the whole trick here. Your eye picks up the green front sight first, the yellow rear falls into place behind it, and there's zero confusion about which dot goes where in the dark.
Both the front and rear sights carry Swiss-made tritium lamps ringed with bright white outlines. The tritium glows on its own with no batteries and no charging, so the sights are ready whenever you are. The white outlines do the daytime work, giving you a crisp, high-contrast picture in bright sun. It's a genuine day-or-night setup rather than a compromise in either direction, and the front blade measures .140" with a .150" rear notch for a balanced, quick-to-find sight window.
These sights are machined from steel, which is a real upgrade over the polymer factory sights that ship on most Glocks. The rear sight face is squared off, so you can hook it on a belt or boot heel to rack the slide one-handed if you ever need to. The black frame keeps things low-key and won't distract from the glowing dots.
The GL431 is cut for the slim-frame Glocks: the 42, 43, 43X, and 48. Installation is straightforward if you've got a rear sight pusher and a front sight tool, though plenty of folks have a gunsmith knock them out in a few minutes for perfect centering. The green tritium is warranted for 12 years from the date of manufacture, so this is a set you install once and forget about.
Yes. This set is cut for AmeriGlo's slim-frame Glock lineup, which covers the 42, 43, 43X, and 48. It's built for the standard non-MOS slides on those models, so you're good to go if you carry any of the single-stack or slim-frame pistols.
No. Tritium is self-luminous and glows on its own without any batteries or exposure to light. The green front and yellow rear dots stay lit around the clock, and the green tritium is warranted for 12 years from the date of manufacture.
The two-color layout makes it dead simple to tell the front dot from the rear dots in low light. Your eye locks onto the green front first, the yellow rear falls in behind it, and there's no mixing them up when it matters most. In daylight, the white outlines take over for a clean three-dot picture.
You can with the right tools. A rear sight pusher and a Glock front sight tool make the job manageable at home, and AmeriGlo includes clear instructions for their pusher kit. That said, having a gunsmith install and center them takes only a few minutes and guarantees the rear sight is dialed in perfectly.
| UPC | 644406908760 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GL431 |
| Product Type | Tritium Front/Rear |
| Shipping Weight | 0.055 |
| Style | Night Sights Set Tritium |
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