The BMP-23 (''бойна машина на пехотата'') is a

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...

infantry fighting vehicle An infantry fighting vehicle (IFV), also known as a mechanized infantry combat vehicle (MICV), is a type of armoured fighting vehicle used to carry infantry into battle and provide direct-fire support. The 1990 Treaty on Conventional Armed Forc ...

which was first introduced in the early 1980s. However, it was based on a design from the Bulgarian design bureau from the 1970s, being presented in 1980s. Despite its name, the BMP-23 is very different from the

BMP-1 The BMP-1 is a Soviet amphibious tracked infantry fighting vehicle, in service 1966–present. BMP stands for ''Boyevaya Mashina Pyekhoty 1'' (russian: link=no, Боевая Машина Пехоты 1; БМП-1), meaning "infantry fighting ...

and more similar in function to the

BMP-2 The BMP-2 (''Boyevaya Mashina Pekhoty'', , literally "combat machine/vehicle (of the) infantry") is an amphibious infantry fighting vehicle introduced in the 1980s in the Soviet Union, following on from the BMP-1 of the 1960s. Development hist ...

. The hull is based on that of the

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

2S1 self-propelled

howitzer A howitzer () is a long- ranged weapon, falling between a cannon (also known as an artillery gun in the United States), which fires shells at flat trajectories, and a mortar, which fires at high angles of ascent and descent. Howitzers, like ot ...

(also produced by Bulgaria) with thicker armour and a more powerful

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...

, which is itself based on a stretched

MT-LB The MT-LB (russian: Многоцелевой Тягач Легкий Бронированный, translit=Mnogotselevoy tyagach legky bronirovanny, literally "multi-purpose towing vehicle light armored") is a Soviet multi-purpose, fully amphib ...

chassis. Since the 2S1 is a larger

vehicle A vehicle (from la, vehiculum) is a machine that transports people or cargo. Vehicles include wagons, bicycles, motor vehicles (motorcycles, cars, trucks, buses, mobility scooters for disabled people), railed vehicles (trains, trams), wa ...

, the troop transport compartment is not as cramped as that of the BMP-1. The armour is cast steel, capable of withstanding heavy machine gun fire. The turret is armed with a 23-mm autocannon 2A14 from the air-defence gun

ZU-23-2 The ZU-23-2, also known as ZU-23, is a Soviet towed 23×152mm anti-aircraft twin-barreled autocannon. ZU stands for ''Zenitnaya Ustanovka'' (Russian: Зенитная Установка) – anti-aircraft mount. The GRAU index is 2A13. Developm ...

with 600 rounds, and initially an

ATGM An anti-tank guided missile (ATGM), anti-tank missile, anti-tank guided weapon (ATGW) or anti-armor guided weapon is a guided missile primarily designed to hit and destroy heavily armored military vehicles. ATGMs range in size from shoulder ...

launcher for the

9M14 Malyutka The 9M14 Malyutka (russian: Малютка, links=no; "Little one", NATO reporting name: AT-3 Sagger) is a manual command to line of sight (MCLOS) wire-guided anti-tank guided missile (ATGM) system developed in the Soviet Union. It was the first ...

, today with

9K111 Fagot The 9K111 ''Fagot'' (russian: Фагот; "bassoon") is a second-generation tube-launched semi-automatic command to line of sight (SACLOS) wire-guided anti-tank missile system of the Soviet Union for use from ground or vehicle mounts. The 9K111 Fa ...

ATGM. The BMP-23 was first seen on a parade in 1984. It served with the

Bulgarian army The Bulgarian Land Forces ( bg, Сухопътни войски на България, Sukhopŭtni voĭski na Bŭlgariya, lit=Ground Forces of Bulgaria) are the ground warfare branch of the Bulgarian Armed Forces. The Land Forces were established ...

Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...

along with the

M1117 Armoured Security Vehicle The M1117 Guardian, also denoted Armored Security Vehicle (''ASV''), is an internal security vehicle based on the V-100 and V-150 Commando series of armored cars. It was developed in the late 1990s for service with the United States' Militar ...

Operators

Variants

* BMP-23D - Upgraded variant with

ATGM and 81mm smoke grenade launchers. * BRM-23 - Reconnaissance version, prototype. * BMP-30 - Modified BMP-23 with the turret taken directly from the

Sources

BMP-23 infantry fighting vehicle (Bulgaria), Armoured personnel carriers (tracked)
Jane's Armour and Artillery, 20 October 2010 {{Use dmy dates, date=June 2017 Tracked infantry fighting vehicles Infantry fighting vehicles of Bulgaria Bulgaria–Soviet Union relations Military vehicles introduced in the 1980s