The anti-aircraft gun of the calibre 40 mms Bofors wz. 36/38 had: the practical perpendicular range 3000 m (max. 4275) and the practical rate of fire 40-60 shots on the minute (theoretical 120). The gun was erected on the four-wheeled- base. The gun was towed by the tractor C2P on the chassis of the distinctive tank TK , the truck Fiat 621 or the circular car - caterpillars wz.34 (C4P).
The gun was served by 7 gunners and 2 drivers. In general one produced about 414 guns wz.36/38 . The part of guns (168 art) one sold abroad, whereof 150 to Great Britain.