The Shadow Systems Gen 3 Optic Cut Slide Assembly is a complete slide assembly designed to fit GLOCK Gen3 compact frames and other compatible frames. It measures 7.13 inches in length and includes night sights, with a front green tritium sight and a rear black sight.Key FeaturesCompatible Frames: Fits GLOCK Gen3 compact frames and Shadow Systems MR/XR920 barrels.Sights: Equipped with front green tritium and rear black night sights for improved visibility in low light conditions.Color: Finished in black for a sleek and tactical appearance.