The Ameriglo UC Night Sight set features a green tritium lamp, luminescent green outline front and round notch serrated steel rear for Glocks. 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 orange for an enhanced aim point. Ideal for any conceal carry or personal defense weapon. DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.