What is cartridge holder?

  • (noun): A metal frame or container holding cartridges; can be inserted into an automatic gun.
    Synonyms: cartridge clip, clip, magazine

Some articles on cartridge, holder:

National Firearms Act - Categories of Firearms Regulated
... Machine guns—this includes any firearm which can fire more than 1 cartridge per trigger pull ... Any repeating pistol which utilizes a portion of the energy of a firing cartridge to extract the fired cartridge case and chamber the next round, and ... repair a suppressor –– it must be returned to a Federal Fiream License holder (FFL) who has status as a Class-II/Special Occupation Taxpayer (SOT) manufacturer for repairs ...