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Designation:

2A28

Info
Manufactured by: KBP Instrument Design Bureau  
Type: Weapons & Weapon Systems  
Name: Gun  
 
 

Description

The 73 mm 2A28 is a smoothbore, low-pressure rifled gun with a short recoil that has been specially designed to suit the requirements of mountings on light armoured vehicles. It fires a special fin-stabilised HEAT round, which is also used by the infantry SPG-9 antitank weapon. When fired, the projectile has an initial muzzle velocity of about 400 m/s which rises after a period to 665 m/s; this means the projectile may be prone to the influences of high side winds. The usual installations feature an automatic loader which loads the gun when it is elevated to +330', limiting the rate of fire to around 8 rds/min. The gun barrel has provision for the installation of a 'Sagger' wire-guided ATGW above its junction with the turret mantlet.

It is understood that some countries have removed the automatic loader from the BMP-1 as this is unreliable in service.

Ammunition for the 73 mm 2A28 gun is available for a number of sources. The Bulgarian Vazovski Machinostroitelni Zavodi, for example, manufactures the following types: OG-15V(HE), OG-15VM(HM), PG-15V (HEAT) and the PG-9N (HEAT). The first two of these have a muzzle velocity of 290 m/s and a maximum range of 4.5 km while the latter two have a muzzle velocity of 400 m/s and a maximum effective range of 1,300 m.

Status

Production as required. Installed on the BMP-1 ICV and the BMD-1 airborne combat vehicle.

Specifications
Property
Value
Main weapon caliber (mm)
73
Weight (kg)
115
Length (mm)
1195
Width (mm)
218
Height (mm)
322
Recoil stroke (mm)
152
Rate of fire (rds/min)
8
Firing range (m)
1300

Included in:
Product
Amount
BMP-1 (Infantry fighting vehicle)
1
BRM-1K (Reconnaissance Vehicle)
1



2A28
2A28
 
   
 
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