5XL Tall Green Tritium Black Outline .407/FlatBlack .507 for most Glocks

The 5XL Tall Green Tritium Black Outline .407/FlatBlack .507 for most Glocks by AmeriGlo represents a critical upgrade for duty, competition, and self-defense shooters who demand rapid target acquisition in low-light environments. These night sights are engineered for law enforcement and armed professionals who rely on their handguns in conditions where standard three-dot sights become a liability. Built to replace factory Glock sights on standard and compact models, this sight system addresses the fundamental challenge every operator faces: seeing your front sight when ambient light vanishes.

These tritium night sights use self-illuminating hydrogen isotope technology that requires zero batteries or activation—they glow continuously for 12+ years. The 5XL Tall configuration delivers an oversized front sight blade with a bold green tritium element and contrasting black outline, optimizing visibility against varied backdrops and reducing target-to-sight transition time during dynamic shooting. The .407 front and .507 rear dimensions match standard Glock dovetail cuts, ensuring drop-in compatibility without gunsmithing. The flat black rear paired with the bright green front creates the proven combat sight picture preferred by military and law enforcement units, minimizing parallax and enabling faster sight alignment under stress.

This product is ideal for Glock 17, 19, 22, 23, 26, 27, 34, 35, and other full-size and compact variants using standard dovetail mounts. Serious shooters—patrol officers, SWAT operators, competitive shooters, and armed civilians—consistently choose AmeriGlo tritium sights to eliminate the performance gap between daylight and darkness. Installation takes minutes with basic gunsmith tools or a visit to any qualified armorer. Whether you're zeroing for duty carry, building a competition pistol, or upgrading your home-defense Glock, the 5XL Tall Green Tritium Black Outline night sight delivers the reliability and speed you cannot compromise on.