M136 AT4

The M136 AT4 is an 84mm single-shot disposable recoilless rifle developed by Saab Bofors Dynamics and adopted by the U.S. Army in 1987 as the replacement for the aging M72 LAW. Its fin-stabilized shaped-charge warhead penetrates more than 400 millimeters of rolled homogeneous armor, and specialized variants include the AT4-CS confined-space round that lets troops fire from inside buildings without deafening blast overpressure.

Saab manufactures AT4 rounds for the U.S. services with domestic production at its Karlskoga, Sweden plant and growing integration with the U.S. industrial base. The weapon has seen heavy operational use in Iraq, Afghanistan, and Ukraine, and it remains a staple of the infantry squad's organic anti-armor kit alongside the reloadable Carl Gustaf M3/M4 recoilless rifle and the Javelin missile.

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