If you prefer a rail-mounted front sight for your AR platform rifle, Del-Ton, Inc., has the detachable front sight for AR 15 that will perform exactly as you need it to in your operational environment. Most shooters want iron sights available, but a permanent sight may not be quite what they have in mind. Itís not difficult to understand why a front sight rail mount has become so popular. Del-Tonís offerings include A2 sights with open or hooded sight posts from Troyís Battle Sight lines. Whatever kind of rail-mounted A2 front sight you want, be it an open or hooded sight, Del-Ton has a rail-mounted fixed front sight that will complete your build.