Enhance your shooting accuracy with the AmeriGlo GL-101 Tritium Night Sights for Glock 17, 19, 22. This advanced sight system utilizes a green tritium lamp in both the front and rear, ensuring quick target acquisition even in low light conditions. The AmeriGlo GL-101 is engineered to facilitate perfect alignment, allowing shooters to maintain focus on their target without compromising visibility. Green tritium with no outline for a .180" wide rear notch Green tritium with a white outline for a .180" wide front sight Upgrade your Glock experience with the reliable performance of AmeriGlo GL-101 sights.