What is the penetration capability of the Mk-19 HEDP round?

The Mk-19 High-Explosive Dual-Purpose (HEDP) round is designed specifically for effective engagement against personnel and lightly armored targets. Its penetration capability is especially significant, making it a versatile weapon system in the infantry's arsenal.

When looking at the provided options, the correct detail highlighted describes the Mk-19 HEDP round's ability to penetrate 2 inches of homogeneous steel at a distance of 2200 meters. This information illustrates both the round's effective range and its penetrating power, which is crucial for targeting vehicles or fortifications made from steel.

Understanding this capability allows Marines to effectively engage a variety of threats on the battlefield, giving them the knowledge to utilize their weapon system in accordance with mission objectives. The emphasis on penetration at distance also underscores the advanced technology and design incorporated into the Mk-19 system, ensuring effectiveness in various combat scenarios.