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The AmeriGlo Protector Sight Set is built around one idea: get your eye on the front sight faster and keep it there. The front blade runs a green tritium lamp wrapped in a bright orange ProGlo outline, so it stands out in daylight and glows on its own when the lights drop. Out back, you get a black serrated rear sight with a wide U notch that stays quiet and doesn't fight the front for your attention. It's a setup that works well for concealed carry and personal defense, where a clean, quick sight picture matters more than anything fancy.
The blacked-out rear is the trick here. With no dots or distractions behind the front blade, your eye naturally locks onto that glowing orange front sight during the draw. The U notch gives you a generous window to line things up, which speeds up target acquisition when your heart rate is up. The serrations on the rear also cut glare and give you a squared edge to hook on a belt or holster for one-handed slide manipulation if you ever need to rack the gun in a pinch.
This GL-355 set is cut for Gen 1 through Gen 4 Glocks chambered in 10mm and .45 ACP, covering models like the 20, 21, 29, 30, 31, 32, 36, 40 and 41. The front blade measures roughly .165 inches tall with a .140 inch width, and the rear runs a .165 inch notch, giving you a balanced, snag-free sight picture that tracks well recoil to recoil.
Tritium is self-powered, so there are no batteries and no charging up under a light. The lamp glows on its own for years, which is exactly what you want on a defensive gun that might sit in a nightstand or a holster for a long stretch. AmeriGlo has been building steel sights with Swiss tritium for a long time, and folks who run them tend to keep coming back. Installation calls for a sight pusher or a trip to your gunsmith, since these are a press fit into the dovetail.
This set is designed for Gen 1 through Gen 4 Glock pistols chambered in 10mm and .45 ACP. That covers models like the 20, 21, 29, 30, 31, 32, 36, 40 and 41. Double-check your generation and caliber before ordering, since Glock uses different dovetail heights across their large-frame lineup.
No. Tritium glows on its own through a self-contained reaction, so there is nothing to charge and no batteries to replace. That makes it a reliable choice for a carry or home-defense gun that might sit untouched for long stretches. Over many years the glow will slowly dim, but it stays useful well past the point most people expect.
The Protector design deliberately keeps the rear plain so your eye goes straight to the glowing front blade. A single bright front sight with a clean rear notch is faster to pick up under stress than a busy three-dot pattern. The wide U notch gives you plenty of room to line up quickly.
You can if you have a sight pusher tool, since these press into the dovetail rather than screwing in. Plenty of hobbyists handle it at home with the right tool and a front sight nut driver. If you would rather not risk marring the slide, any gunsmith can knock the job out in a few minutes.
| UPC | 644406910237 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GL-355 |
| Model | |
| Style | U Notch |
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