Apologies if this has been posted before...a detailed summary of 5.56mm weapons from WWII to today. CIS gets an honourable if short mention. Interesting latter years (2000 - today) on SOF choices.
http://www.thegunzone.com/556dw-1.html
Gedanken
Good stuff, Unsung! I knew that the development was highly political, but not to this extent.
Unsung_Hero
Yes, that caught me by surprise too, but one can only surmise that is unlikely to change going forward.