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General Dynamics Ordnance and Tactical Systems

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Munitions United States flagUnited States Legacy

General Dynamics Ordnance and Tactical Systems

M393A2 HEP-T

U.S. 105 mm high-explosive plastic tracer round (HESH-equivalent) fired from the M68 rifled gun for use against armor and fortifications.

Compiled from public sources ·primary reference ↗ ·last verified 2026-07-05

Procurement snapshot

Availability & export

US ITAR-controlled

Export needs U.S. State Dept (DDTC) approval; end-use & re-transfer restrictions apply.

Channel: Foreign Military Sales (FMS) or Direct Commercial Sale

Fielded & proven

Operator data not public

Status: legacy.

Lifecycle cost (est.)

No public unit price to model from.

Interoperability

105 mm NATO

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.

105 mm

Munition

Round type, penetration, velocity and projectile data.

Round type

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

HESH
Caliber

Bore diameter the round is fired from.

105 mm
Muzzle velocity

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

730 m/s
Stronger than 22% of munitions

Specifications compiled from public General Dynamics Ordnance and Tactical Systems and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-05.

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