Brightest Tritium sights on the market Rugged machined steel sight post serrated for glare reduction Matte black Nitride finish - excellent wear- and corrosion-resistance Front rings available in yellow, orange, or black Compatible with most factory & aftermarket front sights that are designed to accept a Mil-Spec front sight post The Night Fision AR15/AR10 adjustable front sight post is designed to replace the standard Mil-Spec post on most AR-platform front sights. Night Fisions front sight post is made from high-quality steel and features a tritium insert that provides exceptional visibility in low-light. The Night Fision front sight post is easy to install and includes a custom adjustment tool in the package.