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KBP Instrument Design Bureau
3OF18 HE-FRAG
Soviet 125 mm high-explosive fragmentation round for engaging infantry and light structures from smoothbore tank guns.
Compiled from public sources ·primary reference ↗ ·last verified 2026-07-05
Procurement snapshot
Availability & export
National export licensing
Subject to Soviet Union export-control approval; verify eligibility with the manufacturer.
Channel: Direct commercial / G2G
Fielded & proven
Operator data not public
Status: legacy.
Lifecycle cost (est.)
No public unit price to model from.
Interoperability
No standardised NATO calibre / datalink detected in public specs.
Derived guidance from public data, export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.
Full specifications
Firepower
Armament, payload and guidance.
- Caliber
Bore diameter of the main gun or rifle. Larger throws heavier projectiles; not simply better, ammunition commonality matters.
- 125 mm
Munition
Round type, penetration, velocity and projectile data.
- Round type
APFSDS (kinetic sabot), HEAT / multipurpose, HE-FRAG, canister or gun-launched ATGM.
- HE-FRAG
- Caliber
Bore diameter the round is fired from.
- 125 mm
- Muzzle velocity
Speed as the projectile leaves the barrel. Higher flattens trajectory and shortens time-to-target.
- 850 m/s Stronger than 27% of munitions
- Projectile mass
Mass of the projectile or penetrator assembly.
- 23 kg
Specifications compiled from public KBP Instrument Design Bureau and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-05.
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