Welcome to the U.S. Army’s Ammo Revolution Cased Telescoped Ammunition in small arms is a promising technology that could significantly reduce the weight that a soldier carries into battle, while also providing other minor benefits. Here’s What You Need to Remember: The Cased Telescoped Ammunition (CTA) in small arms is a promising technology that could significantly reduce the weight that a soldier carries into battle, while also providing other minor benefits. Recently, much attention has been focused on the state of the U.S. military’s arsenal of small arms. After the announcement and subsequent cancellation of the U.S. Army’s 7.62 Interim Combat Service Rifle project, many were left wondering what the U.S. Army’s actual plan was for a future service rifle. One possible answer was demonstrated at the AUSA 2017 by Textron: the use of CTA in small arms.