All About Ammunition Before buying ammunition online and in bulk, you need to know about its components. Ammunition is informally called ammo, the material fired, scattered, dropped, or denoted from any weapon or weapon system. Ammunition is expandable weapons and other parts of components while creating effects on targets such as bullets and warheads. Regarding the division of ammunition, there are three common types of shots. Keep in touch! #BuyAmmunition #AmmunitionOnline