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Anti-Structure Weapon

Flexible capabilities in urban operations

The urban battlefield offers a multitude of threats. The AT4 CS AST is optimised for defeating urban targets such as reinforced concrete walls, earth and timber bunkers, light armoured vehicles. It can be fired from concealed spaces and its tandem grenade provides the dismounted soldier with a unique amount of firepower. 


The tandem warhead of AT4 CS AST provides the capacity to defeat enemies concealed behind concrete walls, brick walls or inside a light armoured vehicle.


Using the mode selector, the AT4CS AST is optimised to defeat a multitude of targets characterising the urban environment, ranging from building structures to light armoured vehicles.

Becoming a customer

As a customer of Saab’s you benefit from a complete life commitment. It is our utmost ambition to support and facilitate your use of our products and services. That is why we are always willing to walk that extra mile to develop a strong and trustful relationship. 

Being a customer of ours means that you can rely on Saab’s innovative and technologically advanced state-of-the-art products. But also, it means that you can rely on our dedication and willingness to provide our entire knowledge and know-how for improving your operations. That’s what we call a true commiment.


When engaging urban structures, the gunner chooses one of two modes. Based on the mode setting, the main charge either detonates behind the wall within the building or, when engaging brick walls, it creates a new point of entry.

Optimised to defeat urban targets and fortified position

  • Defeats light armoured vehicles
  • Range 20-200m
  • Fire from Confined Space capability
  • Red-dot sight compatible with helmet mounted NVG
  • Lightweight, less than 9kg
  • Disposable when fired
  • Maintenance free

In use

The AT4 product family has been exported to more than 15 countries worldwide.

Technical specification

Unmatchable behind armour effect


Calibre 84 mm
Weight  6.7 kg
Length 1 m
Armour penetration > 420 mm
Muzzle velocity 290 m/s


L x W x H 1051 x 791 x 253 mm
Weight (4 pcs) 45 kg
Unit load (16 pcs) 195 kg

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