To dream of a gun represents hostility, wrath, and possible hazards. Perhaps you are having difficulties expressing your positive and negative emotions. A gun can also be a symbol of male genitalia and masculine intensity. Therefore, it can represent intensity or incapacity.
To dream that you are loading a gun suggests that you should use caution when expressing your anger or hostility. Don't allow these emotions to go unchecked.
To dream that you shoot someone with a gun implies that you harbor hostility for someone.
To dream that someone is shooting you with a gun denotes a difficult issue that you are facing. An issue may be making you feel vulnerable and exposed.
*Refer to Pistol or Shot