Guns are made to shoot animals, people and things. Guns kill animals to bring home a meal. Guns can be used to kill animals out of cruelty.
Guns can kill people in self defense. They can protect your home from intruders. Guns are used to carry out cold-blooded murders. They can be used in combat.
Guns can sharpen your shooting skills. Your gun skills can be used in competitions.
Assault rifles and assault weapons can be used in combat theater. They can fire bullets from a loaded magazine at an alarming rate. You could kill a room full of people with an assault weapon.
Hand guns do not fire bullets from a magazine. On the other hand, assault weapons do.