The Nudelman-Rikhter NR-30 is a Soviet 30mm autocannon that was widely used in military aircraft of the Soviet Union and its COMINTERN allies. It was designed by A.E. Nudelman and A. A. Rikhter, entering service in 1954, essentially an enlarged version of the Nudelman-Rikhter NR-23. The NR-30 fired a new 30 mm round that weighed more than twice as much as the NR-23’s round, and had a higher muzzle velocity and rate of fire. This weapon was created to bridge the gap between its lightweight, rapid-firing predecessor and the hard-hitting Nudelman N-37 37mm cannon, thus preventing logistical issues derived from fielding two autocannons in the Soviet fighter fleet. Its performance, price and market demand is similar to that of contemporary hard-hitting autocannons such as the British ADEN Cannon.
