Caseless ammunition is a type of firearm ammunition that does not have a traditional cartridge case. In standard ammunition, the cartridge case serves multiple functions: it holds the primer and propellant, provides structural integrity, and ejects from the firearm after firing. In caseless ammunition, these functions are achieved without a separate case. Instead, caseless ammunition typically consists of a propellant that is chemically designed to contain the projectile and primer within the cartridge itself.
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