So sounds like Sig just got a monopoly over the U.S. Army small arms.. and looks to be including 6.8 ammo
SIG SAUER Selected by U.S. Army for Next Generation Weapons with New Ammunition Technology, Lightweight Machine Gun, Rifle, and Suppressors
SIG SAUER Selected by U.S. Army for Next Generation Weapons with New Ammunition Technology, Lightweight Machine Gun, Rifle, and Suppressors - Soldier Systems Daily
SIG SAUER Selected by U.S. Army for Next Generation Weapons with New Ammunition Technology, Lightweight Machine Gun, Rifle, and Suppressors
SIG SAUER Selected by U.S. Army for Next Generation Weapons with New Ammunition Technology, Lightweight Machine Gun, Rifle, and Suppressors - Soldier Systems Daily