Mortar Round

Mortar Rounds are explosives you can attain in campaign mode. You use them to destroy Japanese Mortar Pits on the level, Breaking point. They are extremely powerful. Even when primed and thrown, they have a large blast radius and much explosive. Reason enough to not include it in the multiplayer. They can also help players get a 10 gamerscore achievement(Xbox 360) Mortar-dom by killing 10 Japanese soldiers.

Trivia

 * The Mortar-dom achievement is a reference to the Martyrdom perk.