The Oerlikon GSh-6-30K is a six-barrel rotary cannon designed for use in aircraft, particularly in the Sukhoi Su-25 ground attack aircraft. It fires 30mm rounds at a high rate, making it effective for air-to-ground and air-to-air combat. The cannon is known for its reliability and accuracy, contributing to the overall firepower of the aircraft. This weapon system is part of a broader category of rotary cannons, which utilize multiple barrels to achieve a high rate of fire while managing heat and wear. The GSh-6-30K is often paired with advanced targeting systems to enhance its effectiveness in various combat scenarios.