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

What is the smallest artillery shell? - Quora

What happened to the Gustav Gun after WWII? - Quora, schwerer

What kind of propellant is used in mortar shells? - Quora

What is the smallest caliber gun mounted on an AFV to use APFSDS

Were there really piles of spent artillery shells littered across the battlefields of WW1? If so, what'd they do with them all after the Armistice? - Quora

What were small cannons (like the one on the pic) used for

M26 Pershing - Wikipedia

What is the most powerful artillery shell, and how powerful is it? - Quora

R-37 (missile) - Wikipedia

Can an artillery shell destroy a tank? - Quora

Why is it called a 'minigun' if it's actually much larger than an

Are flechette shotgun shells good for hunting? - Quora

Shell (projectile), Military Wiki

Armament of the Iowa-class battleship - Wikipedia