The Trijicon HD XR Suppressor/Optic Height Night Sights are engineered for tactical operators seeking precision accuracy and elevated clearance on Glock large-frame models, chambered in 10mm Auto and .45 ACP, including the G20, G21, G29, G30, and G41 (including S, SF, and MOS variants). This advanced system combines the tall structural clearance of suppressor sights with the distinct precision architecture of the HD XR series. It utilizes an ultra-thin 0.122-inch wide front sight post that expands your side-to-side sight window, delivering an enhanced field of view for clean target tracking at extended ranges. Operating battery-free, the self-luminous green tritium lamps are secured inside shock-absorbing aluminum cylinders to guarantee clear target alignment in zero-light scenarios. The front blade features an aggressive photoluminescent orange ring to accelerate daylight eye index, while the subdued, glare-reducing "U" notch rear profile isolates concentration. Thanks to their elevated physical height, these sights comfortably clear muzzle suppressors and provide a seamless co-witness sight picture over slide-mounted red dot optics. Trijicon HD XR Suppressor/Optic Height Night Sights w/Green Trit Rear & Orange/Green Trit Front for Glock 20,21,29,30,41 (incl. S & SF) GL345-C-601176