RM-51

The RM-51 (Raketomet vzor 1951) multiple rocket launcher was a Czechoslovak army alternative of the BM-13 multiple rocket launcher developed in the 1950s.

Variants

 * vz. 51 - Original model, based on Praga V3S 6×6 truck.
 * M-51 - Export version used by Austria, based on Steyr 680 M3 6×6 truck.
 * RM-51 - Export variant, based on ZiS-151 and ZIL-157 6×6 trucks.

Operators

 * 🇦🇹 - 18 delivered in 1964, designated M-51.
 * 🇧🇬 - 24 delivered in 1963.
 * undefined
 * 🇨🇺 - 20 delivered between 1965-1966.
 * 🇪🇬 - 50 delivered between 1957-1958.
 * 🇱🇾 - 36 delivered between 1976-1977.
 * - 580 delivered between 1956-1965. Designated R-2, the launchers were later mounted on ZIL-157 trucks.
 * - 580 delivered between 1956-1965. Designated R-2, the launchers were later mounted on ZIL-157 trucks.