GSh-30-1

The GSh-30-1 is a Russian 30mm linear-action autocannon. It has a rate of fire of 1800 rounds per minute, typically reduced to 1500 rounds per minute to reduce wear on the barrel. The 30mm round is extremely powerful and accurate, capable of destroying a target with 3-5 rounds. It is used most notably on the Su-27 and MiG-29 series.