Front steel night sight with green tritium lamp for night time viability and orange outline for daytime viability.
0.165" is stock height.
Highly visible under all lighting conditions.
This sight is 0.165" high (Stock) height for generation 1, 2, 3 and 4 all models.
Works with factory rear sight or after market stock height rear sight.
FITS GENERATIONS 1, 2, 3 AND 4 MODELS 17, 19, 20, 21, 22, 23, 24, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 40, 41, 42, 43, 43X AND 48.