ammunition

nouns

projectiles to be fired from a gun
any nuclear or chemical or biological material that can be used as a weapon of mass destruction
is a type of (narrower)
the tangible substance that goes into the makeup of a physical object
"coal is a hard black material"; "wheat is the stuff they use to make bread"
information that can be used to attack or defend a claim or argument or viewpoint
"his admission provided ammunition for his critics"
is a type of (narrower)
a message received and understood