AmeriGlo Protector, Sight, Fits Glock 42 and 43, Green Tritium LumiLime Round Outline front, Black Serrated rear, Front/Rear GL-705 Employing a glare-reducing black serrated rear sight paired with a tritium ProGlo front sight" the Protector Sights are designed for quicker front sight acquisition and maximized concentration on the front sight blade.