3OF50 High-Explosive Fragmentation rocket-assisted projectile

The 3OF50 is a Soviet-era 120 mm rocket-assisted high-explosive fragmentation projectile used with Nona-family 120 mm gun-mortars. Open-source references describe it as a nose-fuzed, spin-stabilised RAP round with an A-IX-2 filled warhead and a rocket motor, extending the reach of compatible systems beyond standard 120 mm mortar ammunition.

3OF50 High-Explosive Fragmentation rocket-assisted projectile, 120 mm rocket-assisted HE-fragmentation projectile, Munitions

Image source: File:120mm Mortar Shell. (49212940606).jpg

Profile

Origin: USSR / Russia
Built by: SovietRussian ammunition industry
Type: 120 mm rocket-assisted HE-fragmentation projectile

120 mm rocket-assisted he-frag mortar

Specifications

Caliber: 120 mm
Type: High-explosive fragmentation rocket-assisted projectile
Stabilization: Spin-stabilised
Fuzing: Nose-fuzed
Propulsion: Integral rocket motor
Round family: 3VOF55 / 3VOF55-1

Firing Weapons

The 3OF50 is the rocket-assisted 120 mm projectile used by the 2S23 Nona-SVK family to extend firing range.

Firing weapon

Weapon type

Firing evidence

120 mm self-propelled gun-mortar

Forecast International and Weaponsystems.net both document the 2S23 Nona-SVK / 2A60 Nona firing rocket-assisted 120 mm rounds to a maximum range of 12.8 km, which is the extended-range mode this projectile supports.

Sources: SM-120 (2S23) Nona-SVK 120mm Self-Propelled Howitzer/Mortar, 2S23 Nona-SVK

3OF50 High-Explosive Fragmentation rocket-assisted projectile Images

3OF50 High-Explosive Fragmentation rocket-assisted projectile, 120 mm rocket-assisted HE-fragmentation projectile, Munitions - view 1 — Source: File:120mm Mortar Shell. (49212940606).jpg

3OF50 High-Explosive Fragmentation rocket-assisted projectile, 120 mm rocket-assisted HE-fragmentation projectile, Munitions - view 2 — Source: File:MSPO2007-35-02.jpg

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Sources

3OF50Publisher: Fenix Insight | Note: Supports the item's designation, 120 mm caliber, high-explosive fragmentation role, rocket-assisted propulsion, fuze, warhead, and Soviet/Russian ammunition context. | Accessed: 2026-06-23 SM-120 (2S23) Nona-SVK 120mm Self-Propelled Howitzer/MortarPublisher: Forecast International | Note: Supports the 2A60 Nona family relationship by documenting that the weapon fires an assisted projectile to 12.8 km. | Accessed: 2026-06-23 2S23 Nona-SVKPublisher: Weaponsystems.net | Note: Supports the extended-range rocket-assisted round relationship by documenting that the 2S23 fires rocket assisted rounds to 12.8 km. | Accessed: 2026-06-23 File:120mm Mortar Shell. (49212940606).jpgPublisher: Wikimedia Commons | Note: Image provenance for a public Commons photograph of a 120 mm mortar shell. | Accessed: 2026-06-23 File:MSPO2007-35-02.jpgPublisher: Wikimedia Commons | Note: Image provenance for a Commons photo of a 120 mm mortar bomb HE display image. | Accessed: 2026-06-23