Student of the Gun’s Paul Markel helped Night Fision design the Accur8™ line of two dot sights. Check out his article the Evolution of Pistol Sights.

Excerpt:

“How do you come up with a design for shooters of all skill levels? From law enforcement to military, to the armed citizen. The pistol sights will be for shooters that not only need to meet departmental and agency qualification courses. They will also be there to save their lives and the lives of others in the gravest extreme. I was not going to take this task lightly. My task was not simply to reinvent the wheel, but to create a design that was truly universal…”