The line of the pullet, v important. please help?

Question

any body know how the bullet get out from the gun, and how is the line of it's move.... please answer quickley

Answer 1

the hole at the end of the barrel.

Answer 2

A great deal depends on factors such as the type of gun used, if the shot was fired indoors or outside, the caliber of the bullet--there are a lot of variables.

Are you talking of one specific gun or guns in general?