| Universal Mortar UB M52 | |
|---|---|
 | |
| Type | Mortar |
| Place of origin | Serbia, Yugoslavia |
| Service history | |
| Wars | Salvadoran Civil War Yugoslav Wars |
| Production history | |
| Designer | Military Technical Institute |
| Designed | 1948-1951 |
| Manufacturer | PPT Namenska |
| Produced | 1952 |
| Specifications | |
| Mass | 378.0 kg (833.3 lb) on field |
| Length | 2.250 m (7.38 ft) on march |
| Crew | 5 |
| Caliber | 120 millimetres (4.7 in) |
| Rate of fire | 25 RPM max |
| Effective firing range | 6,100 metres (6,700 yd) with light shells |
| Maximum firing range | 7,460 metres (8,160 yd) with heavy shell |
| Feed system | manual |
The Universal Mortar UB M52 is a 120 mm (4.75 inch) mortar that was developed by Military Technical Institute, in former Yugoslavia. It is long-range heavy mortar developed from the Soviet M1938 mortar but with integral wheels carriage.
First development versions prior UB M52 are known under designation BB-3, brdski bacač 3 (Serbian: брдски бацач, lit. 'mountain mortar').[1] The Universal Mortar UB M52 is developed from 1948 to 1951 and fires fin-stabilized ammunition from a smoothbore barrel. It is first mortar with capabilities to fire with wheels mounted. It has hydraulic muzzle attached to barrel to reduce pressure. M52 because of its weight require trucks or other vehicle to move them to battlefield, but compared to field artillery it is lighter. It can be deployed on battlefield in less than a minute.[2]
M52 has 4 variants:
Universal Mortar UB M52 was in service with the Yugoslav People's Army since 1952. After dissolution of Yugoslavia it is passed on successor states. It is exported to numerous countries and produced in few thousand pieces.
The M52 was transported with horses, TAM-4500, Pinzgauer 710M and many or other vehicles capable to attach trailer.
| Maximum range: | 6,100 metres (20,000 ft) with light shell - 7,460 metres (24,480 ft) with heavy shell |
| Minimum range: | 195 metres (640 ft) with heavy shell |
| Weight: | 378.0 kilograms (833.3 lb) without ammunition |
| 400.0 kilograms (881.8 lb) when mounted on trailer | |
| Rate of fire: | 25 rounds/min first minute |
| Crew: | 5 |
The M52 is capable of firing the following munitions:
and other shells in 120mm in accordance with barrel pressure.
Bangladesh: 95 as of 2020.[3]
El Salvador: In reserve.
Macedonia[4]
Myanmar: 25 UBM-52 in service. Received from Yugoslavia in 1971.[5]
Serbia: In reserve, some in museum.
Slovenia: In reserve.
Bosnia and Herzegovina
Croatia: Sold or in museums.
Indonesia: Indonesian Marine Corps[6]
Montenegro: Offered for sale.
