Gryazev-Shipunov GSh-23

GSh-23

23 mm twin-barreled autocannon aircraft armament.

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Wikipedia | Gryazev-Shipunov GSh-23

The Gryazev-Shipunov GSh-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 and Rikhter R-23.