FALLS CHURCH, Va. – January 12, 2024 – Northrop Grumman Corporation (NYSE: NOC) announced today it successfully completed production of the M829A4 120mm cartridge to the U.S. Army.

  • The M829A4 is a line-of-sight kinetic-energy cartridge designed specifically for the Abrams M1A2 System Enhancement Program version 3 Main Battle Tank. It provides the Abrams the ability to defeat threat vehicles equipped with third-generation explosive reactive armor.
  • With production completed in December 2023, the company is no longer producing depleted uranium ammunition.
  • Northrop Grumman will continue to produce and develop training and tactical medium- and large-caliber ammunition for U.S. and allied forces.


Dave Fine, vice president and general manager, armament systems, Northrop Grumman: “Our team continues to deliver tactical and training ammunition as partners to help the U.S. Army meet its ever-increasing requirements for medium- and large-caliber systems worldwide. The successful completion of M829A4 during this final production year contract exemplifies of our longstanding partnership with the U.S. Army and our commitment to delivering on our obligations. We also are developing advanced ammunition types, including the M1147 120mm Advanced Multi-Purpose cartridge, a ‘smart round’ that will replace the capabilities of multiple rounds currently in inventory.”

Details on Medium- and Large-Caliber Ammunition:

Northrop Grumman’s legacy in the design and development of medium- and large caliber ammunition spans more than 40 years providing tactical and training tank ammunition to U.S. and allied militaries around the globe. Today, we are looking to the future through creating ammunition types that include air-bursting, proximity, and guided munitions that provide greater precision and the ability to counter unmanned threats and defeat advanced armor.

Northrop Grumman is a leading global aerospace and defense technology company. Our pioneering solutions equip our customers with capabilities they need to connect and protect the world, and push the boundaries of human exploration across the universe. Driven by a shared purpose to solve our customers’ toughest problems, our employees define possible every day.