In a defensive handgun, having the right sighting system that'll get you on-target fast and easy is an essential element. That's the aim behind the XS Sights DXT2 Big Dot night sights, which feature a unique, intuitive aiming system designed to get shooters on target faster at defensive distances when using their popular GlockA(R)handguns. Each pair of XS Sights DXT2 Big Dot night sights are built with a tritium-illuminated, round front sight that allow for fast targeting in the dark, while a photoluminescent ring around the tritium lamp also allows for easy aiming when moving from bright to dark environments. The front sight is combined with the company's rear-sight design t Mfg: Xs Sight Systems