556 millimeters is 55.6 centimeters.
You have asked a question that can't be answered. There is no such thing as an "average" bullet. Define what you mean by "average bullet" and maybe someone can help you.
Shoot in a heavy fog
becuse they are in heavy metal band
Slug could be a snail like animal. It could also mean one heavy bullet.
For a 9x19 Parabellum, usually 95 to 150 grains.
bullet for my valentine
If you mean how heavy is the bullet in a .40 caliber cartridge, the answer is, it ranges from about 150 grains to about 180 grains.
17 grains - ballistic tiped or 20grain in hollow point
Your Betrayal by Bullet for my Valentine Levitation by Disturbed (to be announced)
6mm plastic BBs are 0.12 grams