AmeriGlo Tritium I-Dot Smith & Wesson M&P Shield Sight Set - Orange/Green - Sight sets with green tritium lamp front, one tritium lamp rear for Smith & Wesson M&P Models. Rear tritium lamp is centered, below rear sight notch. Designed for simple front sight acquisition while retaining rear illumination. Not for S&W revolvers, C.O.R.E., or .22 Models. Green Tritium Orange Outline Front Sight Green Single Dot Rear Sight Fits M&P Shield