Standard Dot Tritium night sight is a pin on front sight for Ruger LCR Caliber .38 and .357 and has been designed for defensive shooting. This sight has a snag-free designed that will not catch on clothing and is meant for an easy draw from your concealed carry holster. The large front tritium sight improves the speed of target acquisition, while the tritium lamp aids sight alignment in all lighting conditions. This Standard Dot Tritium sight will allow you to get on target fast and focus on the front sight so that you can make a reliable shot. XS Sights Standard Dot Tritium Night Sights will be there when the shot matters most. Fits: Ruger LCR caliber .38 and .357