Ameriglo brings a clear advantage to your shooting experience on and off the range.Ameriglo optic compatible sight tall suppressor sights set provide a precise, elevated co-witness sight picture for slide-mounted red dot optics and suppressors and serve as reliable back-up sights.This xl tall model has a green tritium front sight with lumigreen outline and green tritium rear sight with black outline and black finish.It is compatible with all glock gen 1-5 models except: 42,43, & 48.Fits glock mos slide.Compatible with aimpoint acro, holosun 509t, steiner mps footprints.Rear Color: Green/Tritium Black OutlineFrame Material: SteelFrame Color: BlackFirearm Fit: Glock Gen 1-5 (All models excluding 42,43,48)Style: 3 Dot XL Night Sights Tall Suppressor Set TritiumFront Material: TritiumRear Material: TritiumFront Color: Green/Tritium Lumigreen OutlineFirearm Type: Handgun