Ameriglo for Glock® 17/19/23 Suppressor Tritium Sight Set (GL-511) has a front green tritium lamp outlined in orange, a solid black rear and will work with most co-witness optics.

Green Tritium Dot Orange Outline .315" Front / .394" Solid Black Rear

Glock® Models: 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, 39