Trijicon bright & tough Suppressor night sights are three-dot tritium iron sights that allow shooters the ability to line up their sights in both bright and low-light situations. While standard height sights do not provide an aiming solution when using a suppressed firearm, the additional height of Suppressor night sights will clear the added height of a Suppressor, allowing shooters the ability to line up their sights on target. Additionally, Suppressor night sights can be used as back up iron sights with the Trijicon RMR superior quality glass lenses, rugged aluminum-alloy housing, combat proven, illuminated reticle, bullet drop compensating, & ranging reticles, fixed magnification, both eyes open design, waterproof to 100 meters (328 ft.), the 4x32 LED battery ACOG, Gen2 compact ACOG