Melta (X) "This Special Rule increases the amount of Damage against Vehicles when Shooting Attacks are made withing a specific range."
If at least one Model in a Unit with the Vehicle Type that is targeted by a Shooting Attack made by a Model using a Weapon with this Special Rule is within a range equal to or less than the value specified by X, that attack has the Armourbane Special Rule and the Damage of Penetrating Hits caused by that attack is doubled.