Cartridge 122 mm HE with full charge

Cartridge 122 mm HE with full charge is STV Group's separate-loaded 122 mm high-explosive cartridge for the 2S1 Gvozdika and D-30 howitzers. The Czech-made Nb 122 HE round uses the HE-462 projectile, a Ž 9-1 full propelling charge, and is published with a 690 m/s muzzle velocity and about 15.3 km maximum range.

Cartridge 122 mm HE with full charge, 122 mm separate-loaded high-explosive cartridge, Munitions

Image source: 122 mm OF-462.jpg

Profile

Origin: Czech Republic
Built by: STV GROUP a.s.
Type: 122 mm separate-loaded high-explosive cartridge
Service note: Contemporary Czech export 122 mm artillery ammunition

122 mm artillery ammunitionhigh-explosiveunguided

Specifications

Cartridge: Nb 122 HE
Cartridge type: Separate-loaded high-explosive cartridge
Projectile: HE-462, equivalent to OF-462
Propelling charge: Ž 9-1
Propelling charge type: full
Muzzle velocity: 690 ± 7%
Maximum range: About 15,300 m
Projectile weight: 21.76 kg
High explosive weight: 3.6 kg
Fuze: RGM-2; RGM-6; V-429
Safe operational temperature range: -40 to 50 °C
Cartridge case: Fe/brass

Service And Conflict Use

Service History

In service: Marketed by STV Group for 122 mm 2S1 Gvozdika and D-30 howitzers; full-charge counterpart to the reduced-charge Nb 122 HE cartridge.
Used by: 2S1 Gvozdika and D-30 howitzers

Firing Weapons

STV Group lists this cartridge for 122 mm 2S1 and D30 howitzers.

Firing weapon

Weapon type

Firing evidence

122 mm tracked self-propelled howitzer

STV Group says the full-charge Nb 122 HE cartridge is intended to be fired from 122 mm 2S1 and D30 howitzers.

Sources: Cartridge 122 mm HE with full charge - STV Group

Cartridge 122 mm HE with full charge Images

Cartridge 122 mm HE with full charge, 122 mm separate-loaded high-explosive cartridge, Munitions - view 1 — Source: 122 mm OF-462.jpg

Cartridge 122 mm HE with full charge, 122 mm separate-loaded high-explosive cartridge, Munitions - view 2 — Source: 122 H 38 shell.JPG

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Sources

Cartridge 122 mm HE with full charge - STV GroupPublisher: STV Group | Note: Supports the full-charge Nb 122 HE cartridge designation, its 2S1 and D30 compatibility, the Czech manufacturer context, and the published technical data. | Accessed: 2026-06-23 122 mm OF-462.jpgPublisher: Wikimedia Commons | Note: Supports image provenance for a 122 mm artillery shell photograph used on the page. | Accessed: 2026-06-23 122 H 38 shell.JPGPublisher: Wikimedia Commons | Note: Supports image provenance for a second 122 mm shell image used on the page. | Accessed: 2026-06-23