Editing Cartridge (firearms) (section)

==Type==
Cartridges can be categorized by the type of primer, which can be accomplished by igniting a small charge of an [[shock sensitivity|impact]]-sensitive explosive compound  is located 
*At the center of the [[#Case|case head]] ([[centerfire]])
*Inside the [[rim (firearms)|rim]] ([[rimfire ammunition|rimfire]])
*Inside the walls on the fold of the case base that is shaped like a cup (cupfire)
*In a sideways projection that is shaped like a pin ([[pinfire]])
*a lip (lipfire); or in a small bulge shaped like a nipple at the case base ([[Teat-fire cartridge|teatfire]]), 

or by an [[electronic firing|electric-sensitive]] chemical mixture.

Only small-caliber rimfire cartridges and centerfire cartridges have survived into the modern day.