GSh301

The GSh-301 is a 30 mm autocannon developed in the Soviet Union. It is primarily designed for use on aircraft, notably the Sukhoi Su-27 fighter jet and its derivatives. The GSh-301 is a gas-operated, rotary-barreled weapon. Its design emphasizes a high rate of fire and relatively light weight compared to other cannons of similar caliber.

This autocannon fires 30x165 mm ammunition, which is a powerful round designed for engaging ground targets and other aircraft. The GSh-301 features a high muzzle velocity, contributing to its accuracy and effectiveness. Its operational concept is to provide a high volume of fire in short bursts. The weapon's reliability and performance have made it a standard armament for many modern Russian and some export military aircraft. It is known for its relatively simple construction, which aids in maintenance and operational readiness in challenging environments.