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Oshkosh Defense JLTV light tactical vehicle.
Oshkosh Defense FMVT A2 medium tactical vehicle on a hill.
HEMTT Heavy Tactical Vehicle.
MRAP
P-19R Aircraft Rescue Fire Fighting (ARFF) vehicle.

Next-generation solutions for mobility, reliability, and lethality.

Oshkosh Defense robotic combat vehicle.
Medium Caliber Weapon System (MCWS).

Oshkosh Defense is a full-service partner throughout the entirety of the product lifecycle – from purchase, to maintenance, training, and everything in between.

CONTACT SUPPORT
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Designing the future of delivery and fleet vehicles.

Oshkosh Defense USPS delivery vehicle.
  • FUTURE FOCUSED DESIGN

Innovating solutions to solve complex problems in the military and delivery vehicle markets

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Enabling those who dedicate their lives to service to accomplish their mission and return home safely.

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Get the latest on Oshkosh Defense contracts, technological advancements, company initiatives, and more — directly from our team.

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MEDIUM CALIBER WEAPON SYSTEM

MCWS

The Oshkosh® Defense Medium Caliber Weapon System (MCWS) provides increased lethality, accuracy, and range while maintaining the mobility and survivability of the Stryker Infantry Carrier Vehicle Double V Hull (ICVVA1). Integrated on the chassis is a 30mm weapon system based on Rafael Advanced Defense Systems’ proven SAMSON family of turrets.

Oshkosh MCWS Live Fire

Oshkosh MCWS Live Fire video screenshot.

NEXT-GENERATION CAPABILITIES

The Oshkosh Defense MCWS leverages next -generation capabilities to meet stringent turret performance requirements and achieve increased lethality on an ever-evolving battlefield.

BAE Systems AMPV with the Oshkosh Medium Caliber Weapon System

SEE PHOTOS OF OSHKOSH DEFENSE’S MCWS

VIEW MORE MCWS PHOTOS

EXPLORE OSHKOSH DEFENSE VEHICLES

LIGHT

World-class tactical vehicles to meet the needs of an evolving battlefield.

MEDIUM

Designed to withstand even the most unpredictable battlefields.

HEAVY

Cutting-edge engineering and proven reliability to support virtually any mission.

COMBAT

Next-generation solutions for mobility, reliability, and lethality.

DELIVERY

Designing the future of delivery and fleet vehicles.

AFTERMARKET

Your full-service partner throughout the entirety of the product lifecycle.

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Contact:

920-235-9150

Oshkosh Defense
2307 Oregon Street
Oshkosh, WI 54902

© 2025

Oshkosh Defense, LLC an Oshkosh Corporation Business.

Oshkosh Defense, the Oshkosh Defense logo, TAK-4, TerraMax and ProPulse are registered trademarks, Command Zone and TAK-4i are trademarks of the Oshkosh Defense, LLC, Oshkosh, WI, USA. All other trademarks are property of their respective owners. The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.