There has been a lot of interesting products on display at AUSA. Here are some other articles from Soldier Systems Daily
Knights Armament LAMG in 6.5 CreedMoor
http://soldiersystems.net/2018/10/08/ausa-18-6-5-cm-lamg-by-knights-armament-co/
H&K Squad Designated Marksman Rifle
http://soldiersystems.net/2018/10/08/ausa-18-us-army-squad-designated-marksman-rifle-by-heckler-koch/