One of my M4's is iron sights only. Why? Because I like to shoot irons sometimes.
I have two EOTechs, one Aimpoint (clone), one 3X Bushnell, and all have their purposes. But having an iron sight rifle is fun. Also, ALL have BUIS, so it is important to practice with iron sights "just in case".
"I am sick and tired of people who say that if you debate and you disagree with this administration, somehow you're not patriotic. We should stand up and say we are Americans and we have a right to debate and disagree with any administration." - Hillary Clinton, 2003
TERM LIMITS NOW!!!