Ameriglo brings a clear advantage to your shooting experience on and off the range.The cap sight is designed with large, highly visible front and for rapid sight acquisition.This model has a green tritium square with orange outline front with a notch flat black rear that has a horizontal lumi-line.It is compatible with glock.Rear Color: Black w/Orange LineType: Tritium Front/Painted RearFrame Material: SteelFrame Color: BlackFirearm Fit: GlockStyle: CaPFront Material: TritiumRear Material: PaintFront Color: Green w/Orange OutlineWindage Adjustment: NoElevation Adjustment: NoFirearm Type: Handgun