Why don't shotgun slugs and shot use full metal jackets and why don't other guns use plastic casings? I believe shotgun shells were originally full metal. - Quora

Seeing that shotguns use plastic shelled rounds, why don't guns generally use plastic shelled rounds? Would it not be cheaper and just as effective? - Quora

Can you carry an FMJ for self-defense? - Quora

Do plastic firearms really have no metal bits in them? - Quora

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Can you dislodge a bullet from your gun (like if it's in the chamber and you pop it out)? Can you use it to shoot? - Quora

What were shotgun cartridges made of before plastic existed? - Quora

Will a shotgun shell explode when dropped? - Quora

Is it illegal to modify FMJ bullets to be a hollowpoint? - Quora

What is the name of the part of the gun that holds the bullets? - Quora

How would a $1000 shotgun differ from a $200 shotgun? Is it worth it to save a bit more money when buying a gun? - Quora

How far out will a 12 GA slug stay accurate? - Quora

Is it more lethal to get shot with a hollow point bullet or a full metal jacketed bullet, assuming they're of equivalent caliber? - Quora

What shotgun shells do the police use? - Quora

Can rubber bullets be used in regular guns? - Quora

What were shotgun cartridges made of before plastic existed? - Quora