FIRST LOOK: Textron's 6.5mm Cased Telescoped Carbine at [AUSA 2017] -The Firearm Blog
Bolt action - Wikipedia
SIG Ammunition Produced & Delivered Over 825,000 Rounds of 6.8x51mm Composite Case Ammo for US Army Next Generation Squad Weapons Program Prototype Test #2 - Soldier Systems Daily
CASED TELESCOPED (CT)
Army's next battle rifle chambered with new 6.5mm that's "more lethal"
New Experimental Army Rifle Uses "Telescoped" Ammunition