Slovak firm MRAZ Robotics presents MRAZ3 MMG unmanned combat vehicle with heavy 12.7mm firepower.

On May 28, 2025, Slovak company MRAZ Robotics presented its new MRAZ3 MMG unmanned ground combat vehicle at the IDET 2025 defense exhibition in Brno, Czech Republic, redefining the modular concept of fire support robotics in modern warfare. The integration of targeting systems with heavy weapons on compact tracked platforms marks a significant leap in UGV capabilities. In an era of high-intensity conflicts and hybrid warfare, this innovation responds directly to the growing demand for remote-operated precision systems.
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MRAZ3 MMG's tracked chassis supports mobility across difficult terrain, while its main armament, a 12.7 mm DShK heavy machine gun mounted on a fully rotating 360° turret, is complemented by optional RPG systems (Picture Source: Army Recognition Group)

The MRAZ3 MMG is a modular unmanned ground vehicle (UGV) designed to provide direct fire support and tactical flexibility to infantry and reconnaissance units operating in hazardous or denied environments. Its tracked chassis supports mobility across difficult terrain, while its main armament, a 12.7 mm DShK heavy machine gun mounted on a fully rotating 360° turret, is complemented by optional RPG systems. For targeting accuracy, the platform incorporates a ballistic computer, thermal imaging camera, and integrated rangefinder. Operators maintain real-time control and situational awareness through either optical fiber link or dual-band encrypted radio, enabling both line-of-sight and beyond-line-of-sight operations. The system operates in temperatures ranging from -10°C to 50°C, has a deployment time of 4 to 6 hours, and a maximum speed of 10 km/h.

The development of the MRAZ3 MMG fits into a wider trend in modern UGV design, emphasizing modularity and the integration of advanced optics and precision fire control. MRAZ Robotics, leveraging its background in industrial robotics, began this project in response to operational feedback from European defense forces involved in peacekeeping and hybrid warfare scenarios. The prototype presented at IDET 2025 reflects several years of iterative design and field testing with Czech military units. Compared to earlier-generation UGVs such as Milrem Robotics' THeMIS Combat variant or the Russian Uran-9, the MRAZ3 MMG offers a more compact profile and faster modular configuration, while retaining heavy armament options typically reserved for larger platforms.

One key advantage of the MRAZ3 MMG lies in its blend of tactical flexibility and operator safety. Its modular design allows rapid swapping between weapon systems or non-lethal payloads, whereas many similar UGVs remain dedicated to a single role. The integrated ballistic computation and thermal optics significantly enhance target engagement accuracy compared to first-generation UGVs, which often relied on manual operator inputs. Furthermore, by adopting both fiber and radio control options, MRAZ Robotics ensures robust C2 (command and control) resilience in environments with active electronic warfare, something that systems like the Uran-9 struggled with during their deployment in Syria.

Strategically, the introduction of systems like the MRAZ3 MMG reflects a growing doctrinal shift toward unmanned combined arms teams within European and NATO-aligned forces. As peer and near-peer conflicts increasingly emphasize contested urban and semi-urban environments, light and modular UGVs capable of providing sustained fire support while reducing risk to soldiers are in high demand. Geopolitically, European countries investing in such systems seek to close the capability gap with Russian and Chinese UGV developments, while enhancing their ability to conduct expeditionary or defensive operations with fewer personnel exposed on the front lines. The ability to deploy MRAZ3 MMGs in NATO rapid reaction forces or Baltic defense scenarios is of particular strategic interest.

MRAZ Robotics’ unveiling of the MRAZ3 MMG signals the rapid maturation of European UGV capabilities, demonstrating how compact modular systems can deliver meaningful tactical advantages in contemporary combat environments. With precision targeting, operational flexibility, and adaptable configurations, this new Slovak-built UGV positions itself as a key enabler of safer, more effective ground operations in future conflicts.