How can a shotgun shell with a powerful charge use a plastic case

How can a gun be shot if it's plastic? - Quora

When did the ammunition industry switch to using plastic shotgun shells from paper? - Quora

How can a gun be shot if it's plastic? - Quora

What is the danger of shrapnel shells? - Quora

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If your shell casings are consistently hitting the deflector of your AR, is your rifle undergassed? If so, how do you correct it? - Quora

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What is the danger of shrapnel shells? - Quora

How to safely remove a cap from a rifle shell - Quora

Is the 45ACP designed with insufficiently thin-walled shell casing, or in other words, is there too little room in the chamber for thicker and stronger shell casings? - Quora

If your shell casings are consistently hitting the deflector of your AR, is your rifle undergassed? If so, how do you correct it? - Quora

When did the ammunition industry switch to using plastic shotgun shells from paper? - Quora

Why are shotgun shells made of plastic? - Quora