Truglo TFX RugerŪ SR9/SR40/SR45-3 Dot Green Tritium/Fiber Optic Sight TG13Rs1A 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. Type: Tritium/Fiber Optic Set Frame Material: Steel Frame Color: Black Firearm Fit: RugerŪ SR9/SR40/SR45 Base Configuration: Dovetail 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