2A28 Grom
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The 2A28 Grom is the main armament of the Soviet-designed BMP-1 and BMD-1 infantry fighting vehicles. It is a 73 mm low pressure smoothbore semi-automatic gun with a wedge breech block. Development of the 2A28 Grom was directly linked to that of the SPG-9 recoilless gun; both fired projectiles similar to rocket-propelled grenades.
Detailed view of a BMP-1 turret showing the 73 mm gun tube of the 2A28
Drawing of PG-9 HEAT projectile
Close-up of a Czech BPzV-1's turret, 2 July 2005. Note the ATGM launcher for the 9M14M Malyutka-M
Namibian Wer’wolf MKII MRAPs armed with the 2A28 Grom.
BMP-1
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The BMP-1 is a Soviet amphibious tracked infantry fighting vehicle that has been in service from 1966 to the present. BMP stands for Boyevaya Mashina Pyekhoty 1, meaning "infantry fighting vehicle, 1st serial model". The BMP-1 was the first mass-produced infantry fighting vehicle (IFV) of the Soviet Union. It was called the M-1967, BMP and BMP-76PB by NATO before its correct designation was known.
A Polish BMP-1 (BWP-1) during a training exercise in 2016
An East German BMP-1 with eight passengers
A rear view of a plinthed BMP-1 in Lebyazhye, Lomonosovsky District, Leningrad Oblast
Two Bulgarian Army soldiers man the driver's and gunner's stations, while a US Army soldier occupies the commander's position of a Bulgarian BMP-1 IFV.