The Night Fision CO WITNESS TRITIUM sight set, model GLK-001-330-353-OGZG, delivers the brightest Tritium sights on the market, built with rugged machined steel bodies that are serrated to reduce glare and paired with a durable matte black Nitride finish for excellent wear and corrosion resistance. Front rings are available in yellow, orange, or black to help with quick daytime identification and aiming, while the design is optimized for an approximate lower 1/3rd co-witness with popular optics such as Trijicon RMR and SRO, Holosun 507c and 508t, and other similar-height sights when mounted on a slide with an MOS-style plate. Compatible with Glock MOS models including 17/19/34/45/47/22/23/40/41, these sights blend precision alignment with rugged reliability, ensuring a solid, snag-free front sight picture and dependable nighttime visibility. Night Fisions CO WITNESS TRITIUM sights are crafted to support fast target acquisition in varied lighting, making them an ideal choice for duty, competition, or personal defense where a durable, glare-resistant sighting solution that maintains a clean, low-profile silhouette is essential.