Northrop Grumman logo. The U.S. Army has awarded Northrop Grumman a contract for XM1211 High Explosive Proximity round.

Northrop Grumman Secures $200M Army Contract for XM1211 High Explosive Proximity Rounds

Northrop Grumman has secured a contract valued at more than $200 million from the U.S. Army for the procurement of XM1211 High Explosive Proximity, or HEP, fuzed rounds of medium-caliber ammunition.

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The Minnesota-based global aerospace and defense technology company said Wednesday it will produce the munitions at its facilities in Plymouth and Elk River in Minnesota, the Allegany Ballistics Laboratory in West Virginia and the Radford Ammunition Plant in Virginia.

What Is the XM1211 High Explosive Proximity Round?

The XM1211 is a 30mm x 113mm round designed for short-range air defense against small unmanned aerial systems. It is equipped with a proximity sensor that detonates when close enough to a target, sending fragmentation to neutralize the threat.

The short-range round is compatible with Northrop Grumman’s XM914 and M230LF Bushmaster Chain Guns. It was developed in collaboration with the Army Joint Program Executive Office for Armaments & Ammunition, Project Manager Maneuver Ammunition Systems and the Army Combat Capabilities Development Command.

Originally developed to meet an urgent materiel release in 2021, Northrop Grumman and PM MAS are now expanding production of the XM1211 to meet growing domestic and international demand.

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