WS-1
100 km of Maximum Range Version.
WS-1B
180 km of Maximum Range Version.
WS-2
Guided MLRS with Range from 70 - 200 km Version.
WS-2B
Upgraded version with Long Range Capacity.
WS-2C
Upgraded version with GPS Guidance and 350 km Range.
WS-2D
Upgraded version with GPS Guidance and 400 km range and ability to launch lethal unmanned aerial vehicles.
WS-3A
Upgraded version of WS-3 with GPS/GLONASS