AmeriGlo Protector, Night Sight Set, For Glock 42/43/43X/48, Front/Rear, Green Tritium Orange Outline Front, Black Serrated Rear GL-436 Employing a glare-reducing black serrated rear sight paired with a tritium ProGlo front sight" the Hackathorn Sights are designed for quicker front sight acquisition and maximized concentration on the front sight blade.