Different types of bullets

And ball ammo is just a name. It's the same thing as an fmj round but some people just call it ball ammo.

Also the 4th right isnow a shaped charge it's a .38 speer round. It's just a training round. 3rd left is a plastic training tracer round. The one next to that is a 7.92mm Mauser round. The one next to that (3rd right) is a wooden blank.

The 2nd left is a cobra "high saftey ammunation" the second right is an Israeli riot control round and the bottom left is a .38 special glaser round. All of those are made for self defense. The .38 was originally made for protecting planes from high jackers.