ANti-tank AT4

The AT4 (also variously AT4 CS, AT4-CS, AT-4CS or just AT-4; an alpha-phonetic word play on the weapon's caliber of 84 mm[citation needed]; "CS" represents "Closed (or 'confined') Spaces" referring to the rocketry being designed to operate effectively from within buildings in an urban environment.[2] ) is a portable one-shot anti-tank weapon built in Sweden by Saab Bofors Dynamics (previously Bofors Anti Armour Systems). In the U.S. and NATO inventory, it replaces the M72 LAW (Light Anti-armor Weapon). Saab has had considerable sales success with the AT4, making it one of the most common light anti-tank weapons in the world. It is intended to give infantry units a means to destroy or disable armored vehicles and fortifications, although it is not generally sufficient to defeat a modern main battle tank (MBT). The launcher and projectile are manufactured prepacked and issued as a single unit of ammunition, rather than as a weapon system, with the launcher discarded after a single use.