AmeriGlo Protector, Night Sight, For Glock Gen 5 9/40, Green Front with LumiGreen Outline, Black Serrated U Notch Rear, Matte Finish, Black GL-5354 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.