AmeriGlo Green Tritium Single Dot Rear Sight for Glock - GL-143R

This AmeriGlo rear night sight features a green tritium dot with i-Dot style and square notch design, compatible with all Glock models except 42, 43, and 48 variants. The sight measures 0.451 inches in overall height with a 0.15 inch notch width and case-hardened finish for durability. Tritium illumination provides low-light visibility without requiring batteries or external power.