2S31 Vena Self Propelled Howitzer/Mortar

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AMOS II mobile mortar system.

In 1996 the Russian Motovilikha Plants Corporation fielded the latest of its Nona family, the 2S31 Vena, an automated self propelled mortar, with a longer barrel, (Russian 120mm 2A80) also firing the Gran laser-guided bomb against point targets to 13km range.

The known version was mounted on a BMP-3 chassis and has 70 rounds on board storage ( about twice as much as the former). A similar version was developed by the Chinese Army, designated WZ 551 6×6 mounted on an armoured personnel carrier. Finally, as the Russians seem to love super-big guns, they have designed the mammoth 420mm SP Oka mortar system, which was originally intended to fire tactical nuclear rounds. Fortunately it was never commissioned.


AMOS II mobile mortar system.