You're using so much of the silly non-shooter/non-military buzzwords that I'm pretty sure you've never carried a weapon or spent a single day on active duty.

I'm done with this discussion, as almost everything you're posting is just made up absurdity at this point.

5.56 has been used to great effect since the Vietnam war. It's still in use by the entire NATO alliance and will likely be the cartridge of choice there for the next forty years as well.