Ed Brown Products HD XR Front Night Sight 1911 EVO Orange Black. We have seven different front sight options to suit any need. Front sight height is 0.18in. Includes screw. We recommend our EVO front sight change kit available for purchase separately which includes the correct TP6 Torx+ wrench spare sight screw and purple Loctite. Specifications for Ed Brown Products 1911 EVO Front Night Sight: Manufacturer: Ed Brown Products Gun Model: 1911 Color: Black Gun Type: Pistol Front Blade Height: 0.18 in Illumination Type: Tritium Illumination Color: Orange Mount Type: Dovetail Package Contents: Ed Brown Products 1911 EVO Front Night Sight Ed Brown Products 1621-HDXR-O: HD XR Front Night Sight 1911 EVO Orange Black