6.8mm

Has anyone heard about this, I think this has been discussed on this forums before but is the US Military serious this time? :D: https://www.armytimes.com/news/your-army/2018/10/05/the-armys-saw-and-m4-replacements-will-both-fire-this-more-accurate-and-deadly-round/...

Any reviews on Stag Arms AR-15's? I am initially pleased that they seem to cater to us leftys, at least more than most manufacturers...and that being said, what is the boards opinion about the 6.8mm option rather than the .223? I have searched over and over again here for "6.8mm" and get a...