[2] The gun uses an evaporation cooling system to prevent the detonation of a high explosive round inside a heated barrel.

This cooling system consists of a cylindrical water tank around the rear end of the barrel.

It has been deployed on several different types of fighter aircraft: During the 2022 Russian invasion of Ukraine, Ukraine confirmed that Colonel Ihor Bedzay, the deputy head of the Ukrainian Navy, was killed when his Mi-14 was shot down by a Russian Su-35.

[3] [4] The 30x165 mm rounds, fitted with distance-armed and delayed action fuze, are commonly fired from the GSh-30-1.

This type of ammunition is intended to engage air and ground targets.