The Arash (, From Iranian Arash) is a series of unguided artillery rocket developed by Iran. It is a copy of BM-21 Grad. A guided version for the Iranian Defense Ministry was recently (July 2020) tested.
There are four models for export. Each having different specifications:<br /> Arash 1: Range : 21.5 km, Length : 2.815m, Velocity : 710 m/s<br /> Arash 2: Range : 30 km, Length : 2.815m, Velocity : 1050 m/s<br /> Arash 3: Range : 18 km, Length : 2.050m, Velocity : 720 m/s. Also known as Noor.<br /> Arash 4: Range : 40 km, Length : 2.890m, Warhead Types : HE fragmentation, ball steel, mine and fuel air.<br /> The export pages say that Arash 4 has a different launching system than other variants.<br /> All of them are fired from 40-tube launchers.