For several veterans that have opinions on everything else, I'm surprised that you don't have opinions on which sight they used on the M14 - peep or open - (and every one hated one or the other).
I don't have an opinion because outside of some demonstrations I never fired an M-14 and I never made claims to having fired one, let alone used it in combat. I'm not that old. But I'm sure you are and you used it in combat, right?