AMERIGLO Protector Sights are designed for quicker front sight acquisition and concentration on the front sight blade. The black, serrated rear sight reduces glare and offers assistance in one-hand slide manipulations, while the front sight offers a tritium illumination and a ProGlo outline in LumiGreen or orange for an enhanced aim point. Ideal for any conceal carry or personal defense weapon. Fits: Glock Gen 1-4 10mm/.45/.357/Glock MOS. Front Sight Width: 0.140" Front Sight Height: 0.165" Rear Sight Height: 0.272"