i dont have a flippen clue what a 28 gauge shell is
The armor of an armadillo is made of bone covered in a layer of horn-like material.
The (shell) casing or the cartridge carries the actual bullet projectile.
The cases are not shell casings, but made of similar material and shape; and are used to keep the ends from becoming frayed.
Yes. Just did it
bullet flinger
The 729 Lazzeroni is a real cartridge.
A full metal jacket (or FMJ) is a bullet consisting of a soft core (usually made of lead) encased in a shell of harder metal .
The First bullet train was made in 1930
None. A bullet is a bullet, regardless of what material it's made from.
On the ground, in a pocket, in a bucket, etc..
No way to answer. Find a good gunsmith and have him examine it.