Isn't that supposed to be the bullet without the casing? : r

Possibly an old bullet but not sure because of the grooves, found in my sister's garden. : r/whatisthisthing

What's this? Marvel writers don't know how bullets work? The gun shot the casing and the bullet? : r/Marvel

Why do all modern bullets require a casing? Isn't that just a waste of resources (metal)? - Quora

Ammunition: Current Issues In Firearms Cases

Does Ammo Go Bad? [Shelf Life & Storage Tips] – Underwater Kinetics

Fastest .30-Caliber Cartridge in the World: .30-378 Weatherby

Can you trace a bullet back to where it came from based on the angle of the bullet hole it left in a wall? - Quora

Alternative Ammo: .458 SOCOM vs. .45-70 Government

Does Ammo Go Bad? [Shelf Life & Storage Tips] – Underwater Kinetics

7x64mm: Brenneke's all around rifle cartridge

Gun Control - Pros & Cons - ProCon.org

Close Enough” Isn't Enough: What You Need to Know About 7.62mm Caliber