Gryazev-Shipunov GSh-23 - Wikipedia, the free encyclopedia
The Gryazev-Shipunov GSh-23 (ГШ-23) is a twin-barreled 23 mm autocannon developed in the Soviet Union, primarily for military aircraft use. It entered service in 1965, replacing the earlier Nudelman-Rikhter NR-23 cannon. GSh-23 displayed in the Egyptian M...