Ameriglo brings a clear advantage to your shooting experience on and off the range.An excellent design for all shooters, the i-dot sights provide a quick and easy vertical sight alignment.It utilizes a dot over dot configuration, and has an extended rear sight for increased sight radius with a glare reducing undercut rear face.This model has a green tritium front with orange outline and green square notch rear.It is compatible with glock 17/19/19x/26 gen5.Rear Color: GreenType: Tritium Front/RearFrame Material: SteelFrame Color: BlackFirearm Fit: Glock 17, 19, 19x, 26 Gen5Style: 3 DotFront Material: TritiumRear Material: TritiumFront Color: Green w/Orange OutlineFirearm Type: Pistol