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Poland's 120mm Rak Mortar Gets Longer Barrel, Auto-Loading, Remote Control in New MSSW-120 Turret, But Tracked Chassis Question Remains Unresolved After 5 Years

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Container with MSSW-120 turret for Rak self-propelled mortar at MSPO 2026 exposition / Open source photo
Container with MSSW-120 turret for Rak self-propelled mortar at MSPO 2026 exposition / Open source photo

HSW shows container-mounted technology demonstrator at MSPO 2026 as 64 new Rosomak-based units funded by SAFE program while LPG Hydro vs Borsuk IFV hull debate continues

Photo appeared on social media from MSPO 2026 defense exhibition exposition, showing turret from 120mm self-propelled mortar Rak installed on container. Initially quite logical assumptions arose this is another gigantic and impractical development, like for example Slovak AM120 self-propelled mortar unsuitable for drone war.

However ultimately it turned out this was merely technology demonstrator, not intended for rolling out onto battlefield. But regarding same Rak self-propelled mortar, another question remains hanging — tracked chassis, variant with which has been discussed for extended time.

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About this being specifically technology demonstrator, Polish portal Defence24 writes citing HSW company representatives, Rak self-propelled mortar manufacturer.

At same time declared is turret shown on container for Rak under MSSW-120 designation has several tangible changes at once: longer barrel, automatic loading and remote module control capability.

Expected is shown MSSW-120 turret will be used for equipping new 64 Rak self-propelled mortars, which will be based on Rosomak chassis and purchased using European SAFE defense credit program funds.

Tracked Rak variant with MSSW-120 turret / Photo credit: Defence24
Tracked Rak variant with MSSW-120 turret / Photo credit: Defence24

Defence24 authors also write HSW already experimented with installing new MSSW-120 turret on tracked Rak variant. However question of which specific chassis tracked Rak self-propelled mortar variant will be developed on remains unresolved — LPG Hydro or converted Borsuk IFV chassis.

Not to mention tracked Rak variant was first shown back in 2021, and over previous 5 years this development never reached stage close to serial implementation.

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