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Japan Steel Works, Ltd. (JSW)

Type 90 HEAT-MP

Japanese 120 mm multipurpose HEAT round fired from the license-built Rheinmetall smoothbore gun on the Type 90 main battle tank.

Compiled from public sources ·primary reference ↗

Data confidence Last verified 2026-07-05 ·
Stub · 9%

Procurement snapshot

Availability & export

National export licensing

Subject to Japan export-control approval; verify eligibility with the manufacturer.

Channel: Direct commercial / G2G

Fielded & proven

Operator data not public

Status: active.

Lifecycle cost (est.)

No public unit price to model from. Why so few systems publish one →

Interoperability

120 mm NATO smoothbore

Competitive field

86 comparable systems from 24 other manufacturers

Counted in the WeaponSpecs database: munitions built by another manufacturer. A count of what this catalog holds, not a survey of the whole market. See the alternatives →

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.

Firepower specifications
Caliber

Bore diameter of the main gun or rifle. Larger throws heavier projectiles; not simply better, ammunition commonality matters.

120 mm

Physical

Dimensions, weight and crew.

Physical specifications
Combat weight

Fully loaded weight. Lighter eases transport and bridging limits; heavier often means more armor.

23 kg

Munition

Round type, penetration, velocity and projectile data.

Munition specifications
Round type

APFSDS (kinetic sabot), HEAT / multipurpose, HE-FRAG, canister or gun-launched ATGM.

HEAT-MP
Fired from

Guns or launchers the round is qualified to fire from, by designation. Not a performance figure: it is the compatibility list that decides which platforms can actually use the munition.

120 mm L/44 smoothbore (Type 90)
Penetration

Published/estimated rolled-homogeneous-armour-equivalent penetration. Values are open-source estimates; real figures are classified.

450 mm RHA
Stronger than 31% of munitions
Muzzle velocity

Speed as the projectile leaves the barrel. Higher flattens trajectory and shortens time-to-target.

1,140 m/s
Stronger than 38% of munitions
Projectile mass

Mass of the projectile or penetrator assembly.

14.1 kg

Specifications compiled from public Japan Steel Works, Ltd. (JSW) and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-05.

Compare with rivals

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Frequently asked questions

How much does the Japan Steel Works, Ltd. (JSW) Type 90 HEAT-MP weigh? +

The Japan Steel Works, Ltd. (JSW) Type 90 HEAT-MP has a combat weight of 23 kg.

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