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Subsystems / Cannon / Gryazev-Shipunov GSh-301

Gryazev-Shipunov GSh-301

General Facts

  • TYPE
    Autocannon

  • ORIGIN
    USSR

  • NICKNAMES
    GSh-30-1
    9A-4071K (GRAU designation)

  • DESIGNED
    1977

  • DESIGNER
    V. Gryazev & A. Shipunov

  • PRODUCTION
    1980 - present

  • PRODUCERS
    Russia - Izhmash
    USSR - Izhmash

  • QUANTITY
    Unknown

  • UNIT COST
    Unknown

  • CHARACTERISTICS
    High rate of fire
    Low weight
    Good accuracy
    Short barrel life

Introduction

The GSh-301 is a modern Soviet single barrel autocannon with a high rate of fire. It arms the two most common types of Soviet multirole fighters, the MiG-29 and the larger Su-27.

Design

The GSh-301 was developed to be very light and have a high rate of fire. This was achieved by using the short recoil mechanism. In the West modern aircraft cannon are usually revolver or gatling type weapons.

Firepower

The GSh-301 fires the 30x165mm round at a rate of fire of 1.500 to 1.800 rpm. Short bursts are fired. A 100 round burst destroys the barrel. Effective range is quoted as 200 to 800 m against aerial targets and 1.200 to 1.800 m against ground targets. Combined with targeting computer and laser range finder accuracy is reported to be good.

Platforms

The GSh-301 arms the two most common types of Soviet multirole fighters, the MiG-29 and Su-27. It is also used in the various Su-27 derivatives, including the Su-30, Su-33, Su-34 and Su-35. A gun pod was designed around the GSh-301 but was produced only in very limited numbers.

Variants

GSh-301

GSh-301: The GSh-301 is a single barrel autocannon operating on the short recoil principle. There are no variants of the GSh-301. The GSh-301 can be identified by the small gun housing, feed mechanism located at the rear and ribbed barrel.

TypeAutocannon
Caliber30x165mm Soviet
MechanismShort recoil operated
Barrel1.500 m barrel
Dimensions1.978 m long, 156 mm wide, 185 mm tall
Weight46 kg
FeedingSingle belt feed
Rate of fire1.500 - 1.800 rpm
Muzzle velocity860 m/s
Recoil?
Remarks2.000 round barrel life

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