Northrop Grumman Corporation

12/16/2025 | Press release | Distributed by Public on 12/16/2025 08:51

Northrop Grumman Enhances USMC Amphibious Combat Vehicles with Bushmaster Chain Guns

MESA, Ariz. - Dec. 16,2025 - Northrop Grumman Corporation (NYSE: NOC) hasentered full-rate production to deliver Mk44 Stretch Bushmaster® Chain Guns® for the U.S. Marine Corps' new Amphibious Combat Vehicles (ACVs). The Mk44S will be integrated into the Kongsberg remote turret used on the Amphibious Combat Vehicle 30mm program (ACV-30), significantly improving firepower for the Marines.

  • The Mk44S offers enhanced range, reliabilityand overmatch as well as the ability to fire all NATO-standard 30x173mm cartridges, including Northrop Grumman's suite of advanced ammunition.

  • The Mk44S includes the optionto upgrade from 30mm to 40mm by simply changing the barrel and a few key parts, allowing for future flexibility.

  • Production is underway at Northrop Grumman's Mesa, Arizona, facility.

Experts:

Dave Fine, vice president, armament systems, Northrop Grumman: "The Mk44 Bushmaster Chain Gun delivers unmatched firepower and reliability in even the most unforgiving conditions. By integrating this proven capability into the Amphibious Combat Vehicle program, we'reequipping Marines with the tools they need to dominate the battlefield and stay ahead of evolving threats."

Details on the Mk44S Bushmaster Chain Gun:

The Mk44S is a medium-caliber weapon designed to fire 30x173mm ammunition and can be upgraded to fire40mm rounds. It offers unmatched flexibility and reliability and is ideal for use with Northrop Grumman's advanced programmable munitions.

The Mk44S was recently showcasedduring a live-fire eventat the Bushmaster Users Conference, demonstratingthe weapon's seamless integration with the ACV. (Photo Credit: Northrop Grumman)

With nearly 100,000employees and over 30 million square feet of manufacturing space - more than 500 football fields - Northrop Grumman has the capacity, scale, and agility to drive innovation at unprecedented speeds. The company's manufacturing approaches do more than just produce; they accelerate and enhance the entire process from design and development to production and testing. Northrop Grumman has invested in U.S. infrastructure, R&D, its workforce, and its supply chain to deliver today and tomorrow's national security needs.

Northrop Grumman is a leading global aerospace and defense technology company. Our pioneering solutions equip our customers with the capabilities they need to connect and protect the world,andpush 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.

Northrop Grumman Corporation published this content on December 16, 2025, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on December 16, 2025 at 14:51 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]