In October 2013, the United States Special Operations Command awarded Polaris a five-year contract to supply MRZR lightweight tactical all-terrain vehicles. The agreement was an important milestone for Polaris Defense, moving the RZR-based MRZR2 and MRZR4 from newly developed military vehicles into a formal USSOCOM mobility program.
The original contract did not disclose a total vehicle quantity or dollar value. It allowed USSOCOM to order MRZR vehicles, accessories, spare parts, operator training and mechanical training as its ultralight tactical mobility requirements developed.
Military Vehicles Based on the RZR XP 900
The original MRZR2 and MRZR4 shared their basic foundation with the recreational Polaris RZR XP 900 and RZR XP 4 900. Polaris adapted that proven side-by-side architecture for military requirements rather than starting with a conventional full-size tactical truck.
That connection gave the MRZR several advantages. The vehicles were comparatively lightweight, fast over rough terrain and supported by Polaris’ established commercial engineering, manufacturing and parts network. Their compact dimensions and collapsible rollover structures also allowed them to be transported internally by CV-22 and MV-22 Osprey aircraft.
Once unloaded, an MRZR could provide mobility across terrain that personnel might otherwise have to cross on foot. Its configurable design allowed the vehicle to transport personnel, cargo, communications equipment or medical litters depending on the mission.
MRZR2 and MRZR4 Configurations
Polaris offered the original MRZR in two primary configurations:
- MRZR2: A shorter two-seat platform designed for compact tactical mobility, with provisions for additional personnel or mission equipment.
- MRZR4: A longer four-seat model with greater personnel, cargo and casualty-evacuation capacity.
Both vehicles used modular layouts that could be adapted for special operations, expeditionary and light-infantry missions. Their combination of mobility, aircraft transportability and relatively simple maintenance helped establish a new role for powersports-derived vehicles within military fleets.
A Second USSOCOM Contract in 2013
The MRZR award followed another five-year USSOCOM contract issued to Polaris in August 2013 for the MV850 ATV. The single-rider MV850 and multi-passenger MRZR addressed different mobility requirements, but the two awards demonstrated that Polaris was becoming more than an occasional supplier of commercially derived off-road vehicles.
Polaris had formally established Polaris Defense in 2005. By 2013, the company was developing purpose-built military platforms while continuing to draw on engineering and components from its recreational ATV and side-by-side business.
How the MRZR Evolved
The first MRZR2 and MRZR4 models used gasoline engines derived from the RZR platform. While they delivered strong performance, military forces commonly rely on diesel and JP-8 fuel, making a separate supply of gasoline undesirable in deployed operations.
Polaris responded by developing diesel-powered versions. The MRZR-D4 arrived first, followed by the two-seat Polaris MRZR-D2 in 2017. In addition to their diesel and JP-8 compatibility, the diesel MRZRs offered greater operating range and more auxiliary electrical power than the original gasoline models.
The platform continued to advance with the MRZR Alpha. In May 2020, the General Services Administration, supporting USSOCOM, awarded Polaris a seven-year follow-on contract valued at up to $109 million. The Alpha incorporated greater payload capacity, increased ground clearance, more power and improved durability while retaining the internal air-transport capability central to the original MRZR concept.
The MRZR’s Continuing Military Role
The importance of the 2013 award is clearer in hindsight. What began as a contract for RZR XP 900-based MRZR2 and MRZR4 vehicles developed into a long-running family of ultralight tactical vehicles used by the United States and allied forces.
MRZR platforms have since been configured for personnel transport, casualty evacuation, reconnaissance, command and control, communications, counter-drone systems and mobile electrical power. By 2025, Polaris reported that gas and diesel MRZR variants were serving with more than 50 military and security forces worldwide.
The program also remains active in the United States. In 2026, the Marine Corps awarded Polaris a contract worth up to $98 million for continued MRZR Alpha production, including a version capable of supplying five kilowatts of exportable electrical power.
Why the 2013 Contract Matters
The 2013 USSOCOM contract was not simply another short-term vehicle order. It validated Polaris’ approach of combining commercial off-road experience with specialized military requirements and established the MRZR as a serious tactical mobility platform.
It also represents an unusual chapter in UTV history. The same basic RZR XP 900 architecture that helped reshape the recreational side-by-side market provided the starting point for a vehicle family designed to deploy with special operations forces around the world.
Polaris subsequently expanded its military lineup with larger platforms, including the Polaris DAGOR ultralight tactical vehicle, but the compact, aircraft-transportable MRZR remains one of the company’s most significant military programs.
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