I vehemently disagree that the ACOG is antiquated and a waste of money. They have a lot of benefits that other optics don't offer, such as never needing batteries (unless you get the LED model) and their rugged construction. There was a Marine during the GWOT who took a 7.62x39mm round to his ACOG, blasting a sizable hole in the side, and it didn't even lose zero. He was able to stay in the fight and didn't even realize his optic had been shot until they had returned to base and he went to clean his rifle, which is when he saw the hole and realized what had happened. That optic was sent back to Trijicon who sent him a replacement and put the damaged optic in their Hall of Fame. I think they're a great option for anyone who wants a simple, rugged optic for a fighting carbine or PCC and doesn't want a red dot.