Which feature of the AT-4 distinguishes it as an anti-tank weapon?

The distinguishing feature of the AT-4 as an anti-tank weapon is its high explosive warhead. This design allows it to deliver a powerful, focused blast that is specifically engineered to penetrate armored vehicles. The effectiveness of the AT-4 in anti-tank roles relies heavily on the warhead's ability to create a significant impact on armored targets.

While the lightweight design, single-shot capability, and speed of deployment contribute to the overall usability and effectiveness of the AT-4, it is the warhead that specifically identifies the weapon's purpose in combating tanks and other armored threats. The high explosive warhead's capacity for destruction against fortified targets is what sets the AT-4 apart in anti-tank operations.