What is the smallest artillery shell? - Quora

Answer (1 of 3): There seems to be a convention to consider anything smaller than 20 mm as small arms, and anything larger than that “artillery” (per Brittanica, anyway), because 20 mm is pretty much the smallest practical size for a “shell”—that is, a hollow projectile containing some sort of ge

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What is the result of a mortar hitting a tank? - Quora

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What is the smallest artillery shell? - Quora

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I found a bullet and was wondering how to tell if it's live? It has the bullet and has no dimple in the primer. - Quora