The HIVIZ GLFD21 FastDot H3 Sight Set for Glock delivers a low profile, all-steel handgun sighting solution that combines fiber optic red front with green tritium rear for true 24-hour illumination and rapid target acquisition in the brightest sun or darkest dusk. This front/rear red and green configuration enhances contrast and alignment, while the ultra bright encapsulated tritium rear provides dependable performance across all lighting conditions. Designed to fit Glock pistols in 9mm, .40 S&W, and .357 SIG, this sight set integrates seamlessly with standard holsters and maintains a sleek silhouette that won't snag during draw or carry. Patented technology underpins the FastDot H3 system, ensuring consistent dot visibility without bulky insertions, and the all-steel construction offers durability in demanding field and range settings. Whether upgrading an duty or range Glock, shooters will appreciate the crisp front dot and reliable rear glow for quick sight picture, enabling precise follow-through on targets from close quarters to longer distances.