This high-set fiber optic sight system for the Glock 21 offers exceptional visibility in various lighting conditions. Crafted from CNC-machined steel it ensures durability while concealing the vibrant fiber optics from your target. The rear sight features a green fiber optic while the front sight provides a contrasting red enhancing target acquisition with the Tri-Dot aiming system. Finished with a black nitride Fortress coating these sights promise long-lasting protection and a sleek appearance. Designed specifically for Glock models 20 21 25 29 30 31 32 37 40 and 41 they deliver precision and reliability for your pistol.