The BM-21 “Grad” (Russian: ??-21 “????”, lit.?’hailstorm’) is a self-propelled 122 mm multiple rocket launcher designed in the Soviet Union. The system and the M-21OF rocket were first developed in the early 1960s, and saw their first combat use in March 1969 during the Sino-Soviet border conflict.

– A-Chassis

– Ferrarico Turret