Trijicon SA240-C-601148 Suppressor Night Sights provide an elevated three-dot aiming system for Smith & Wesson M&P pistols, maintaining a usable sight picture above suppressors in bright or low-light conditions.Tritium phosphor-filled lamps deliver illumination, while the orange front and black rear support rapid visual indexing. Built for M&P C.O.R.E. and M&P M2.0 Optics Ready models, these sights can also function as backup irons with a Trijicon RMR.Protective aluminum sleeves with silicone rubber cushioning shield tritium lamps.Sapphire jewel distributes illumination evenly across the sight picture.Green lamps carry a 12-year warranty from date of manufacture.Built for visibility.