The rules that use the vocabulary item "ammunition" are:

<specific_vehicle_type-pl>

ammunition carriers

<specific_vehicle_type-creatable-sing>

ammunition carrier

<specific_vehicle_type-not_creatable-sing>

ammunition carrier

<specific_vehicle_type-sing>

ammunition carrier

<specific_vehicle_type-not_creatable-pl>

ammunition carriers

<specific_vehicle_type-not_creatable>

ammunition carrier

ammunition carriers