Ameriglo XL Suppressor Night Sight Set for Glock 17-45 | 3-Dot Tritium Green with Orange Outline Front & White Outline Rear

AmeriGlo XL Suppressor night sights for Glock 17-45 are purpose-built to co-witness with suppressors and most modern red dot optics. These three-dot tritium sights deliver 24/7 visibility—green tritium vials on the front and rear pair with a bright orange outline on the front sight and white outline on the rear for fast target acquisition in daylight or darkness. The XL height (.315" front, .392" rear) sits tall enough to clear suppressor cans and keep your sight picture unobstructed when running optics. LumiGreen paint on the front sight glows brightly for roughly 10 minutes after light exposure, adding an extra visibility edge in low-light transitions.

Night sights are one of the most practical upgrades for any carry or duty gun. Traditional Glock iron sights can be hard to find in dim light, but tritium-powered sights work around the clock—no batteries, no coatings that fade over time. The orange-on-green combo up front breaks up the sight picture and makes the front sight pop faster than all-green or all-white layouts. The white-outline rear sits clean and simple, letting your eye naturally center the glowing front blade.

Suppressors have become standard equipment for centerfire shooters who care about their hearing and their neighbors' ears. The trade-off is that they sit atop your slide and block low iron sights. AmeriGlo's XL height is designed to clear that obstruction while still allowing co-witness with popular optic mounts. If you're running a particularly tall optic, AmeriGlo offers a dedicated "Tall Optic Height" model for maximum clearance—these XL models work with most setups but it's worth checking your optic height if you're in doubt.

Key Features

• AmeriGlo XL Suppressor height—.315" front, .392" rear—clears most suppressors and co-witnesses with many red dots
• Green tritium vials glow in complete darkness; no batteries required
• Orange outline on front sight, white outline on rear for fast sight alignment in any light
• LumiGreen paint on front sight glows for ~10 minutes after light exposure
• Fits Glock 17 through Glock 45 (excludes Glock 42/43)
• Three-dot sight picture for reliable target acquisition

Specifications

Frequently Asked Questions

Will these sights work with my suppressor and red dot optic?

AmeriGlo XL Suppressor sights are designed specifically to clear suppressors and co-witness with most common red dot optics. The .315" front and .392" rear height clears most modern suppressors. That said, some taller optics may require AmeriGlo's separate "Tall Optic Height" model for full clearance, so measure your specific optic height if you're unsure.

What Glock models do these sights fit?

These sights fit Glock 17-45 (all full-size, compact, subcompact, and .45 ACP models in that range). They do not fit Glock 42 or 43.

How do these night sights work without a battery?

These sights use self-illuminating green tritium vials—a radioactive isotope that glows continuously in darkness without requiring any power source. The LumiGreen paint on the front sight absorbs ambient light and glows brightly for about 10 minutes after light exposure, giving you extra brightness during transitions from light to dark environments.

What's the difference between the orange outline front and white outline rear?

The orange outline on the front sight makes the tritium glow stand out faster and creates a higher-contrast sight picture for quicker target acquisition. The white outline on the rear sight sits neutral and won't compete with the front sight for your eye, letting you naturally focus on the glowing front blade for precise aiming.