9M55K5 cumulative-fragmentation submunition rocket

Also known as

9M55K5
9М55К5

The 9M55K5 is a Russian 300 mm Smerch rocket with a cassette warhead carrying 646 3B30 dual-purpose submunitions. Rosoboronexport lists it in the 300 mm ammunition catalog, and Missilery documents its 800 kg launch mass, 243 kg warhead, 25 to 70 km range, and 120 mm armour penetration.

9M55K5 cumulative-fragmentation submunition rocket, 300 mm rocket with cassette warhead carrying cumulative-fragmentation submunitions, Munitions

Image source: 9M55K5 rocket

Profile / Specs

Profile

Origin: Russia
Built by: Splav State Research and Production Enterprise
Type: 300 mm rocket with cassette warhead carrying cumulative-fragmentation submunitions

300 mm rocket artillery artillery rocket cluster munition submunition fragmentation smerch

Specifications

Caliber: 300 mm
Weight: 800 kg
Length: 7,600 mm
Warhead weight: 243 kg
Payload: 646 3B30 dual-purpose submunitions
Armor penetration: 120 mm
Range: 25-70 km
Self-destruction time: 130-260 s

Launch Platforms

The 9M55K5 is a Smerch-fired 300 mm rocket listed in Rosoboronexport's ammunition catalog.

Launcher

Launcher type

Launch evidence

BM-30 Smerch, 300 mm heavy multiple launch rocket system, Artillery

300 mm multiple launch rocket system

Rosoboronexport lists the 9M55K5 as a 300 mm Smerch rocket, and Missilery says it is designed to use from the 9K58 Smerch multiple launch rocket system.

Sources: Rosoboronexport 9M55K5 catalog page, 9M55K5 rocket

Service And Conflict Use

Service History

In service: Fired from 9K58 Smerch multiple launch rocket systems

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Sources

Rosoboronexport 9M55K5 catalog pagePublisher: Rosoboronexport | Note: Official export catalog page naming the 9M55K5 as a 300 mm Smerch rocket with a cassette warhead carrying 3B30 cumulative-fragmentation submunitions and listing its export specifications. | Accessed: 2026-06-27 Cluster Munition Ban PolicyPublisher: The Monitor | Note: Lists 9M55K5 under Splav State Research and Production Enterprise cluster munition production and identifies the munition as part of the Russian Smerch family. | Accessed: 2026-06-27 9M55K5 rocketPublisher: Missilery.info | Note: Supports the rocket's 300 mm Smerch compatibility, 800 kg mass, 7,600 mm length, 243 kg warhead, 646 submunitions, 120 mm armour penetration, 25 to 70 km range, and image provenance. | Accessed: 2026-06-27