The contract will include the delivery of 64 RAK M120K wheeled self-propelled mortar and 32 AWD command post vehicles booth based on the Rosomak 8x8 armoured chassis.

With these new vehicles, the Polish Army will equip two mortar platoons in an artillery company, each including four 120mm self-propelled mortar vehicles and one command post vehicles (AWD), plus two more vehicles AWD for the command of the company.

The RAK 120mm 8x8 self-propelled mortar carrier was presented for the first time in its final version at the MSPO defense exhibition in September 2014.

The RAK 120mm mortar turret is equipped with a ballistic computer, an inertial navigation system TALIN 5000 (GPS signal, odometer), integrated communication digital radio station RRC 9311 AP with FONET communication management system, battlefield management system with tactical situation on a digital map for the commander and automatic co-operation with external command and fire control systems of C4I class, ballistic computer, laser warning OBRA and WB Electronics computerized fire-control system.

Main armament of the turret is a 120mm mm breech loaded mortar system including an automatic loading system. The 120 mm mortar, with a barrel length of 3,000 mm has an elevation from -3 to +80º with turret traverse of 360°. The rotation and lift mechanisms is electrically controlled but can be controlled manually in case of emergency or failure. In direct fire the 120mm mortar has a minimum firing range of 500m and a maximum range of 8,000 to 15,000 m (with extended range ammunition) when being used in the indirect fire role.