ejector vs cartridge ejector

ejector and cartridge ejector both are nouns.

Word	Noun	Adjective	Verb	Adverb
ejector	Yes	No	No	No
cartridge ejector	Yes	No	No	No

As nouns, ejector and cartridge ejector are synonyms defined as:

ejector and cartridge ejector: a mechanism in a firearm that ejects the empty shell case after firing

ejector (noun)	cartridge ejector (noun)
a mechanism in a firearm that ejects the empty shell case after firing	a mechanism in a firearm that ejects the empty shell case after firing
An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.
a person who ousts or supplants someone else