English: The weapon's automation uses the energy of the short recoil of the barrel. Ribbed barrel, air-cooled. The weapon was fed from magazines with a capacity of 15 rounds fed from the left side of the receiver. The sight was calibrated to 1,800 m. The weapon was placed on a lightweight Feltlavet M.1938 (F.5) field trailer , to which two wheels of the type used on motorcycles were attached to the sides for transport. The staff consisted of 7 people.