Easily visible under all lighting conditions, the AMERIGLO Classic Tritium series sight comes with a green tritium lamp/white outline for the front sight and two green tritium lamps/white outlines for the rear sight. Traditional 3-Dot Design White outline front and rear for daylight visibility Best for all-around use For GLOCK Gen5 9/40 Firearms DISCLAIMER: GLOCK is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H. Neither 3CR Tactical nor this site are affiliated with, or endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of "GLOCK" on this page is merely to advertise the sale of aftermarket GLOCK pistol components. For genuine GLOCK, Inc. products, visit www.glock.com.