AK-176

AK-176
Gun on the Tarantul I-class Hiddensee
TypeNaval gun
Place of originSoviet Union
Service history
In service1979
Used bySee Operators
Production history
DesignerTSNII BUREVESTNIK
Designed1971
ManufacturerGorky Machine Building Plant
Produced1977
VariantsAK-176M, AK-176MA
Specifications
Mass16,800 kg (37,000 lb)
Barrel length4,484 mm (176.5 in) (59 calibers)
Crew2 (4 in manual control mode)
Shell76.2×959 mm
Shell weight12.4 kg
Caliber76.2 mm
Recoil380 to 500 mm
Elevation-15° to +85°
Traverse±175°
Rate of fire120 rds/min
Muzzle velocity980 m/s
Effective firing range10 km
Maximum firing range15.5 km
Feed system152 ready to fire rounds
H/PJ-26 76mm main gun
The AK-176M gun mount on a Vietnamese Project 10412 patrol boat

The AK-176 is a Soviet 76mm naval gun mounted in an enclosed turret, that may be used against sea, coastal, and aerial targets, including low flying anti-ship missiles. The system is designed to arm small displacement ships and comprises the Gun Mount with a MR-123-02/76 Fire Control Radar System. It has high survivability owing to autonomous use of the gun mount controlled from the optical sight in the absence of control from the radar system, as well as a capability for fire even if power supply is lost.

Design

The gun is fed by 152 ready to fire rounds and has selectable rates of fire of 30, 60 and 120 rounds per minute. The 120 r.p.m. rate is achieved by firing a burst of 75, but afterwards the gun has to cool off for 30 minutes. The AK-176 is effective against missiles, being able to shoot down AT-2 Swatter (simulating a Harpoon anti-ship missile), taking an average of 25 rounds per kill.

In the late 1980s an upgraded version the AK-176M, with a new fire control system MR-123-02, television targeting and a laser rangefinder, was introduced. This gun, is still in production (AK-176M1) and is the primary medium-caliber artillery systems to all small Soviet ships and is widely exported.

AK-176MA,[1] a further upgrade of the design intended for newer ship classes, such as the Karakurt-class corvettes and project 22160-class patrol ships, completed its trials in 2017.[2] The AK-176MA features improved accuracy, a stealthy turret design, and a significantly reduced weight of under 9 tonnes.[2] It will replace older guns on carrier ships on the process of their modernization.[3]

The equivalent NATO system is the Otobreda 76 mm, another 120 rpm 3 inches gun.

H/PJ-26

The 713th Institute (also known as Zhengzhou Electrical Engineering Research Institute) of China Shipbuilding Industry Corporation (CSIC) of the People's Republic of China has developed a Chinese variant of AK-176, with Mr. Chen Dingfeng (陈汀峰) as the general designer. Design begun in 2000 and was completed in 2003. The primary difference between this H/PJ-26 and AK-176 is that the Chinese variant adopts a stealthy turret design, and more composite material is used in the construction of the turret. In addition, ready rounds for the H/PJ-26 are doubled to 150 rounds from the original 75 of the AK-176.

Operators

Current

Past users

See also

References

  1. ^ "Russian Navy ships to receive advanced 76-mm AK-176MA naval gun systems". 8 December 2016.
  2. ^ a b "В Петербурге испытали новую высокоточную артустановку для ВМФ" (in Russian). Rossiyskaya Gazeta. 3 March 2017. Retrieved 5 March 2017.
  3. ^ "ЦАМТО / Новости / «Арсенал»: передовые технологии на службе России".
  4. ^ "GRIGORIY KUROPYATNIKOV (BG-50) class". Military Periscope. Retrieved 2 February 2024.
  5. ^ "Corvette Project 22800 Karakurt | Catalog Rosoboronexport". roe.ru. Retrieved 27 September 2021.
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