Glock A-CUT/COA Combo Set - Standard WidthAMERIGLO Optic Compatible sets provide a precise, elevated co-witness sight picture for slide-mounted red dot optics and serve as reliable back-up sights.Torque Specification: 16-inch lbs. Threadlock is pre-applied on screw.Fits: Glock Gen 5 9mm/.40, A-CUTSpecs:Fits Make: GlockFits Model: Gen 5 9mm/.40, A-CUTFront Tritium Color: GreenFront Outline Color: BlackFront Blade Width: .125 in. (3.18mm)Front Blade Height: .240 in. (6.1mm)Rear Notch Shape: SquareRear Tritium Color: GreenRear Outline Color: BlackRear Notch Width: .150 in. (3.81mm)