Superior Effects: Bushmaster Chain Guns

Northrop Grumman’s medium-caliber cannons boast unrivaled reliability and effectiveness. The Bushmaster® Chain Gun® provides next generation, battle proven capability. Protecting the U.S. and 65 allied countries across the globe from land, air, and naval combat weapons platforms.

Reliable
weapons with superior design and lethality for decades.

Innovating
the next generation chain guns to maintain overmatch.

Advanced Ammunition
with air-burst and proximity capabilities.

Counter UAS
kinetic defeat with our chain guns and advanced ammunition.

Medium Caliber Cannons

Offering a range of capability, based on caliber size, tailored to mission needs.

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50x228mm

Our largest medium caliber chain gun, the XM913, provides stationary and fire on the move capability.

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40x180mm

Ensuring the right effector is in the fight, our Mk44 Stretch has in field capabilities to upgrade the 30mm Mk44 to 40mm.

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35x228mm

The Bushmaster III has proven and reliable capabilities with 35mm lethality.

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30x173mm

The Mk44, XM813, and GAU_23 are battle-proven on ground, naval, and aerial platforms, providing superior overmatch with advanced ammunition.

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After Market Services

Maintaining operational readiness

Our After Market Services team keeps the most superior armaments in the world at peak operational readiness. We provide the highest quality life cycle support to customers around the globe, through training, spares, technical support, repair and overhaul, full-service support, and mobile maintenance center.