Why do bullets needs to have shells/casings? - Quora

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Why do bullets needs to have shells/casings? - Quora

Why is bullet casing yellow? - Quora

Lets be honest. Does it really matter if you call a cartridge a bullet? It is the system meant to propel the bullet through the gun and downrange. - Quora

Can subsonic bullets kill? - Quora

Is the bullet of a gun traceable on the bullet itself or the casing? - Quora

Is there a gun that can use different sizes of bullets? - Quora

Why aren't bullets pointed at both ends? Wouldn't there be less drag? - Quora

Why is brass used for ammo casings? - Quora