Tritium Night Sight replaces the factory front sight on the Ruger SR1911® pistol. 0.180" height front sight is a direct factory replacement for current production SR1911® pistols with factory installed front sight 0.180" height. If installing on an older Ruger SR1911® with a 0.215" front sight, then we also recommend using in conjunction with a Novak Adjustable rear sight. Genuine Ruger® Factory Accessory made in USA. Recommend professional installation or use of a quality gun sight tool for installation and adjustment (not included).
Genuine Ruger® Factory Accessory