Trijicon HD Tritium Night Sights - Orange Front Outline - for M&P C.O.R.E M&P M2.0 Optics Ready Black. The three dot green tritium night sight set's front sight features a taller blade and an aiming point ringed in photoluminescent paint while the rear sight is outlined in black and features a wider U-shaped notch. This unique configuration increases visibility and quickens front sight acquisition - even in transitional lighting. Additionally the front surface of the rear sight is steeply hooked to assist in emergency one-handed slide operation. Specifications for Trijicon HD Tritium Night Sights - Smith & Wesson CORE: Manufacturer: Trijicon Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P M2.0 Optics Ready Smith & Wesson M&P C.O.R.E. Color: Black Rear Sight Color: Black Sight Style: U-Notch Fabric/Material: Steel Gun Type: Pistol Attachment Type: Slide Front Blade Height: 0.215 in Rear Blade Height: 0.292 in Height: 0.282 in Illumination Type: Tritium Illumination Color: Green Features of Trijicon HD Tritium Night Sights - Smith & Wesson CORE ENHANCED FRONT-SIGHT ACQUISITION IN BRIGHT TRANSITIONAL AND NO-LIGHT SITUATIONS. Glow-in-the-dark photoluminescent-painted front outline combines with a subdued "U" notch rear to quickly draw your eye to the 2X brighter domed sapphire/tritium front sight in all lighting conditions. ONE-HANDED SLIDE MANIPULATION. Steeply hooked front surface to assist in an emergency one-handed slide manipulation. INSTANTLY VISIBLE SIGHT PICTURE IN NO-LIGHT AND LOW-LIGHT SITUATIONS. Tritium phosphor-filled glass lamp illuminates sights for high visibility in all lighting conditions. ENHANCED PROTECTION FROM HEAVY RECOIL AND HARSH CLEANING SOLVENTS. Tritium gas lamps are contained within protective aluminum cylinders and have additional silicone rubber cushioning. 2X BRIGHTER FRONT SIGHT. The front sight features a domed-shaped sapphire cap that focuses the tritium illumination for a 2X brighter aiming point. EVENLY DISTRIBUTED LIGHT FROM TRITIUM LAMPS. Each Trijicon tritium lamp is capped with a sapphire jewel that helps evenly distribute the light and also acts as an additional layer of protection from puncture and cleaning solvents. Package Contents: Trijicon HD Tritium Night Sights - Smith & Wesson CORE 1 - Front Sight 1 - Rear Sight Trijicon SA140-C-601170: HD Tritium Night Sights - Orange Front Outline - for M&P C.O.R.E M&P M2.0 Optics Ready Black