Sight set with serrated front and flat rear for Glocks. Proformance sets contain a tritium lamp in lower portion of front post for day / night use. Nitride treated alloy steel has low glare. Developed in conjunction with decorated combat veteran, Kyle Defoor, the Defoor Sight sets are rugged, simple and well made. They are designed for speed and accuracy with a serrated front sight blade, perfect width rear notch and 90 degree edges.