120mm 2C12A Modernized Mortar System consists of 120mm 2B11 mortar with SPTA, 2L81 wheeled carriage and 2F510A transport vehicle, the equipped assembly for transportation of a mortar and allowance of ammunition.
Having high mobility the 2C12A system provides effective solution of fire and tactical tasks.
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120mm 2B11 mortar is smooth-bore muzzle-loading rigid system (without anti-recoil devices). In abreech end of the barrel the shooting adaptation providing heat of a cap of a mine for a shot and also safe unloading of a mortar at a misfire is placed. The transport vehicle provides transportation of a mortar, the wheel course, unit of fire and single SPTA set and also towage of a mortar on wheel to the course on small distances. The machine is completed with a capacious four-door cabin in which calculation is placed. Loading (unloading) of a mortar on wheel to the course in a car body is made by means of the electric winch placed in a body. Small time of transfer from marching position in combat, existence in a unit of fire of ammunition of the increased power and range of fire in combination with a possibility of movement of a mortar with a unit of fire provide a high tactical mobility of mortar divisions and effective implementation of operational tasks in different tactical situations.
| Calibre, mm | 120 |
| Elevation angles deg. | 45 - 80 |
| Traverse angles, deg.: | |
| without rearrangement bipod | +/- 5 |
| with rearrangement bipod | 360 |
| Maximum rate of fire without mortar-laying correction, rds/min. | 15 |
| Maximum range of fire, m | 7 100 |
| Minimum range of fire, m | 480 |
| Ammunition on transport vehicle, rounds | 56 |
| 2B11 mortar weight in combat position, kg | 230 |
| 2B11 mortar weight in travel position, kg | 360 |