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

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What are the differences between a bullet, a round, a cartridge, and a magazine? I'm talking about guns. - Quora

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

What were shotgun shells made of before plastic? - Quora

Are all brass cased ammo yellow? - Quora

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

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When was the 12 gauge shotgun shell invented? - Quora