Truglo TFX S&W M&P Shield .22 Models/Sd9/Sd40 3 Dot Green TG13MP1A TRUGLO's TFX Pistol Sight features TFO Technology That Combines Glow-In-The-Dark Swiss Tritium And Fiber-Optic For Exceptional Brightness Under All conditions Without The Need For Batteries. White Focus Lock Ring On The Front Sight increases Low-Light Visibility And makes Rapid Target Acquisition Easy. CNC-machined-Steel Construction delivers Precise tolerances ensuring Model-Specific Fit. Fortress Finish provides Permanent Protection For Durability. Hermetically Sealed FTX Capsule protects Delicate Tritium And Fiber Optics From oils, chemicals And Cleaning solvents. Tested By Law-Enforcement Personnel For proven Performance And Reliability. Manufacturer's 12-Year Limited Warranty. Sights Fit S&W M&P (including Shield & .22 Models, excluding C.O.R.E Models), Sd9 And Sd40 (excluding VE Models). Type: Tritium/Fiber Optic Set Frame Material: Steel Frame Color: Black Firearm Fit: S&W & M&P Style: 3 Dot Front Material: Tritium/Fiber Optic Rear Material: Trituim/Fiber Optic Front Color: Green Rear Color: Green Windage Adjustment: No Elevation Adjustment: No Firearm Type: Pistol