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. Why so few systems publish one →

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.

Firepower specifications
Caliber Bore diameter of the main gun or rifle. Larger throws heavier projectiles; not simply better, ammunition commonality matters.	105 mm
Warhead Warhead mass. Heavier generally means larger effect radius, at the cost of range.	3 kg Stronger than 13% of munitions

Physical

Dimensions, weight and crew.

Physical specifications
Length Overall length including gun/probe where applicable.	0.94 m

Munition

Round type, penetration, velocity and projectile data.

Munition specifications
Round type APFSDS (kinetic sabot), HEAT / multipurpose, HE-FRAG, canister or gun-launched ATGM.	HESH
Muzzle velocity Speed as the projectile leaves the barrel. Higher flattens trajectory and shortens time-to-target.	730 m/s Stronger than 21% 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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