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30mm 2A72


ZPT99


Overview


2A72

30mm 2A72 autocannon on a Russian army BTR-80A infantry fighting vehicle.

Source: mil.ru - © GNU Attribution Share Alike license

Origin
Soviet Union
Type
Autocannon
Entered service
Mid 1980's
Status
In service
Development
Early 1980's
Developer
Soviet Union - KBP Instrument Design Bureau
Production
Mid 1980's - present
Producer
Soviet Union - Tulamashzavod
Russia - Tulamashzavod
Ukraine - Precision Mechanics Plant
Ukraine - KB Artillery armament
China
Designations
ZPT99 (Chines production)
ZTM-1 (Ukranian production)
KBA-2 (Ukrainian production)
Notable users
Russia
China

Description


Introduction

The 2A72 is a late Cold War era 30mm autocannon of Soviet origin. It was developed as a less complex and lighter alternative to the widely used 2A42. Studies revealed that the 2A42 was virtually always used at the low rate of fire setting. By modifying and simplifying the 2A42 design it could be produced at lower cost and be used for a wider range of applications. The 2A72 is used both as main armament and as a coaxial weapon for the 100mm 2A70 low pressure cannon.

Design

The 2A72 is a much simplified design based on the 2A42 consisting of only 349 parts instead of 578. Unlike the 2A42 it is not gas operated but recoil operated. Unlike the fixed barrel on the 2A42 the barrel moves rearward upon firing. A new design muzzle brake is used in order to retain enough recoil to cycle the weapon. Since the initial recoil impulse is lower the 2A72 can be fitted to lighter vehicles, such as the BTR-80A.

Firepower

The 2A72 fires the common 30x165mm round of which several types are available. The rate of fire is 330 rpm which is effectively similar to the earlier 2A42, which was hardly used at the higher rate of fire setting. The effective range is 1.5 km versus armored vehicles. The effective range for the high explosive rounds is about 2 km versus infantry, vehicles and aircraft although it has a slant range of 4 km. Compared to 2A42 the accuracy is lower due to the recoil motion of the barrel.

Platforms

The 2A72 is mainly used as a coaxial weapon on the BMP-3 and as main armament for the BTR-80A. Other applications include the BMD-4 and various Chinese combat vehicles.

Media


Details


Facts 2A72
General
Origin
Soviet Union
Type
Autocannon
Caliber
Caliber
30x165mm Soviet
Feed system
Belt fed, twin feed system, selectable feed
Barrel length
2.416 mm
Rifling
16 grooves, 716 mm right hand twist
Muzzle velocity
960 - 970 m/s
1.120 m/s with APDS
Barrel life
6.000 rounds
Operation
Action
Recoil operated, electrically powered
Rate of fire
300 - 300 rpm
Recoil force
60 kN
Dimensions
Weight
84 kg overall
36 kg barrel only
Length
3.006 m

Related articles


30mm Shipunov 2A42

The 2A72 is a lighter and simplified design based on the widely used 2A42.

Application


BMP-3

The 2A72 is used as coaxial armament on the BMP-3 mechanized infantry combat vehicle.

BTR-80A

The 2A72 is the main armament of the BTR-80A infantry fighting vehicle.

BTR-82

The 2A72 is the main armament of the BTR-82 infantry fighting vehicle.

BRM-3K Rys

The 2A72 is the main armament of the BRM-3K reconnaissance vehicle.

ZBD05

The ZPT99 is the main armament of the ZBD05 amphibious MICV.

ZBD04

The ZPT99 is used as coaxial armament on the ZBD04 mechanized infantry combat vehicle.

ZBD04A

The ZPT99 is used as coaxial armament on the ZBD04A mechanized infantry combat vehicle.