The new Perfect DotA(R) Post Adjustable Front Night Sight, Gen 2 features a new, narrower Perfect DotA(R) with Green Tritium. This thinner version of Night Fision's previous Front Sight Post gives you all the iron sight you need with less material to disrupt your sight picture. Fits Standard AR-15 & AR-10 Rifles that were originally equipped with factory adjustable sights. Custom installation tool included.