GSh-301 is the only lighter 30 mm gun. The NR-30 was used mainly in the MiG-19, early MiG-21 models, the Sukhoi Su-7, and the Sukhoi Su-17. It was also used on the Shenyang J-6, the Chinese copy of the MiG-19, with a third gun in the nose. The Chinese manufactured their own version, the Type-30, basically similar though with slightly different characteristics. Ammunition specifications Caliber: 30x155mm (belted) with a brass case Projectile weight: 410 grams (14½ oz), 840 g (1 lb 13½ oz) complete Launch charge: 95 g to 99 g of 6/7fl VBP smokeless powder Types of ammunition: HEI, AP, TP, Chaff dispensers Users - Used in the J-6C aircraft from 1962 until 2005. - Used in the Shenyang F-6C from 1965 until 2002. Gallery External links Article about modern aircraft guns in Tony Williams Website Ammunition page dedicated to russian guns, with data and photos References 30 mm artillery Autocannons of the Soviet Union Aircraft guns of the Soviet Union Military equipment introduced in the 1950s