Ammunition. Projectiles together with their fuses, propelling charges, and primers that are designed to be expelled from a firearm. This includes any type of military and commercial ammunition (ball, trace, incendiary, blank, shotgun, black powder, and shot). Items shall only be considered as ammunition when loaded into a cartridge with its bullet and primer.
32 CFR § 552.126
For the purpose of this part, the following definitions apply: