The Gryazev-Shipunov GSh-30-2 (ГШ-30-2) or GSh-2-30 is a

Soviet The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

dual-barrel

autocannon An autocannon, automatic cannon or machine cannon is a automatic firearm, fully automatic gun that is capable of rapid-firing large-caliber ( or more) armour-piercing, explosive or incendiary ammunition, incendiary shell (projectile), shells, ...

developed for use on certain ground attack

military aircraft A military aircraft is any Fixed-wing aircraft, fixed-wing or rotorcraft, rotary-wing aircraft that is operated by a legal or insurrectionary military of any type. Some military aircraft engage directly in aerial warfare, while others take on su ...

and

helicopter A helicopter is a type of rotorcraft in which Lift (force), lift and thrust are supplied by horizontally spinning Helicopter rotor, rotors. This allows the helicopter to VTOL, take off and land vertically, to hover (helicopter), hover, and ...

s. The cannon is not related to the Gryazev-Shipunov GSh-30-1, but is a

recoil-operated Recoil operation is an operating mechanism used to implement locked-breech autoloading firearms. Recoil operated firearms use the energy of recoil to cycle the action, as opposed to gas operation or blowback operation using the pressure of th ...

cannon using the Gast principle, like the

Gryazev-Shipunov GSh-23L 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. The GSh-23 ...

. The GSh-30-2 was designed for the Sukhoi Su-25 ground attack plane, it can also be carried in external gun pods and mounted on the Pakistani-Chinese JF-17 Thunder. It measures 2,044 × 222 × 195 mm, with a barrel length of 1500 mm and a weight of 105 kg. The GSh-30K is a modified version with 2400 mm long

water-cooled Cooling tower and water discharge of a nuclear power plant Water cooling is a method of heat removal from components and industrial equipment. Evaporative cooling using water is often more efficient than air cooling. Water is inexpensive and no ...

barrels, a variable rate of fire, and dimensions of 2,944 × 222 × 195 mm. It is used on a fixed mounting on late model Mil

Mi-24 The Mil Mi-24 (; NATO reporting name: Hind) is a large helicopter gunship, attack helicopter and low-capacity transport helicopter, troop transport with room for eight passengers. It is produced by Mil Moscow Helicopter Plant and was introduced ...

helicopters, e.g. the Mi-24P.

Variants

* GSh-30-2 * GSh-30-2K

Specifications (GSh-30-2)

* Manufacturer:

KBP Instrument Design Bureau JSC ''Konstruktorskoe Buro Priborostroeniya'' (KBP) ( Joint-Stock Company - Instrument Design Bureau) is one of the main enterprises in the field of Defense industry of Russia, Russian defense industry, based in Tula. It is engaged in designing ...

* Type: dual-barrel

* Caliber: 30×165mm, electrically primed * Operation:

recoil operation Recoil operation is an operating mechanism used to implement locked-breech autoloading firearms. Recoil operated firearms use the energy of recoil to cycle the action, as opposed to gas operation or blowback operation using the pressure of th ...

* Length: 2,044 mm * Barrel Length: 1,500 mm * Weight (complete): 105 kg * Rate of fire: 1,000–3,000

rpm Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or r⋅min−1) is a unit of rotational speed (or rotational frequency) for rotating machines. One revolution per minute is equivalent to hertz. Standards ISO 80000-3:2019 def ...

* Muzzle velocity: 870 m/s * Projectile weight: 390 g * Mounting platforms: Sukhoi Su-25 "Frogfoot"

Specifications (GSh-30-2K)

* Manufacturer:

* Type: dual-barrel

* Caliber: 30×165mm * Operation:

* Length: 2,944 mm * Barrel Length: 2,400 mm * Weight (complete): 126 kg * Rate of fire: 300

(low) – 2,000–2,600

(high) * Muzzle velocity: 940 m/s * Projectile weight: 390 g * Mounting platforms: Mil Mi-24P "Hind", Sukhoi Su-25 “Frogfoot”

Users

* * * *

Former user

References

Sources

* *

External links

The Russian Ammunition Page

{{DEFAULTSORT:Gryazev-Shipunov Gsh-30-2 30 mm artillery Aircraft guns of the Soviet Union Autocannons of the Soviet Union KBP Instrument Design Bureau products Military equipment introduced in the 1980s