OF61 base-bleed projectile

The OF61 base-bleed projectile, normally marked 3OF61, is a Russian Federation-developed 152 mm high-explosive fragmentation round built for long-barrel artillery such as the 2A65 Msta-B. Its steel-bodied base-bleed design pushes the projectile to about 29 km, putting it among the longer-range Russian 152 mm shells in service.

OF61 base-bleed projectile, 152 mm base-bleed artillery projectile, Munitions

Image source: File:152mm lime-colored projectile.jpg

Profile

Origin: Russia
Built by: Plant named after Y.M. Sverdlov
Type: 152 mm base-bleed artillery projectile
Service note: Current Russian 152 mm artillery ammunition family

artillery munitionsbase-bleed152 mmrussian

Specifications

Caliber: 152 mm
Marking: 3OF61 / OF61
Projectile weight: 42.86 kg
Muzzle velocity: 828 m/s
Maximum range: About 29 km
Construction: Three-part steel-bodied high-explosive fragmentation base-bleed projectile

Service And Conflict Use

Service History

In service: Used with Russian 152 mm long-barrel howitzers such as the 2A65 Msta-B.

Firing Weapons

The OF61 is a Russian 152 mm base-bleed projectile documented for use with long-barrel artillery, including the 2A65 Msta-B.

Firing weapon

Weapon type

Firing evidence

152 mm towed howitzer

Army Guide lists the OF61 base-bleed projectile among the rounds the 2A65 Msta-B can fire and gives it an about 29 km range.

Sources: Army Guide 2A65 MSTA-B

OF61 base-bleed projectile Images

OF61 base-bleed projectile, 152 mm base-bleed artillery projectile, Munitions - view 1 — Source: File:152mm lime-colored projectile.jpg

OF61 base-bleed projectile, 152 mm base-bleed artillery projectile, Munitions - view 2 — Source: File:152 mm shell RUK-museo.JPG

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Sources

3OF61Publisher: Fenix Insight | Note: Supports OF61/3OF61 identity, Russian Federation development, three-part steel-bodied base-bleed construction, and the projectile's 152 mm technical profile. | Accessed: 2026-06-23 OF61 shell order by the Sverdlov PlantPublisher: Militarnyi | Note: Supports the manufacturer claim by reporting a contract for 2,000 OF61 shells from the Sverdlov Plant. | Accessed: 2026-06-23 Army Guide 2A65 MSTA-BPublisher: Army Guide | Note: Supports the 2A65 Msta-B compatibility claim by listing the OF61 base-bleed projectile among projectiles the howitzer can fire and giving an about 29 km range. | Accessed: 2026-06-23 File:152mm lime-colored projectile.jpgPublisher: Wikimedia Commons | Note: Primary image provenance; Commons licenses the Russian Ministry of Defence photograph under CC BY 4.0. | Accessed: 2026-06-23 File:152 mm shell RUK-museo.JPGPublisher: Wikimedia Commons | Note: Secondary gallery image provenance; Commons releases the museum photograph into the public domain. | Accessed: 2026-06-23