At your casing, youll notice gunpowder. The back of some sort of casing provides the primer that ignites all gun powder inside the casing.Shotgun ammo is very different as it fires hundreds bit projectiles in place of a unitary bullet. This is the reason shotguns are employed after hunting wild birds. It might be extremely tough going to the best bird with just one pellet. In short, you fire many pellets your disseminate in a big area.Youll listen a lot of people calling that it the brass. Its your word in which ties straight down every thing together. Each metal holds together the primer, weapon powder, as well as bullet together until the gun powder explodes forcing their bullet towards part ways using the casing.