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 magical about the number 155mm in artillery? - Quora

Are flechette shotgun shells good for hunting? - Quora

What is the smallest cannon shell? Is there one small enough to be

Artillery Ammunition Comparison (by Caliber)

Shell (projectile) - Wikipedia

Rocket artillery - Wikipedia

How will NATOs 130mm tank gun perform? - Quora

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

Why is it that when mortars fire there is no spent casing? - Quora

What is a small tank called? What are some examples of small tanks? Why do small tanks exist if there are already bigger tanks available? - Quora

Shrapnel shell - Wikipedia

Ukraine war: Could Russia use tactical nuclear weapons?

Why is the French Caesar artillery system in such demand? What is the difference with the Anglo-American M777 gun? - Quora

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