Ammunition:
Ammunition refers to the assembled components of complete cartridges, or rounds.
Pistol and Rifle Ammunition
Pistol and rifle ammunition components consist of a projectile (bullet), a case, propellant (powder), and a primer.
Shotgun Ammunition
Shotgun ammunition components consist of a projectile (multiple pellets or a single slug), a shell case, a wad, propellant (powder), and a primer.