The dual 2A38 30 mm cannons (as well as the later 2A38M) were designed by the KBP Instrument Design Bureau and manufactured by the Tulamashzavod Joint Stock Company.
The system is able to fire on the move using 30 mm cannons, although it must be stationary to fire missiles, the maximum target speed can be up to 500 m/s, reaction time 6-8 seconds [REF].