In Korean tradition, dreaming of a gun is read as inauspicious. It is most often tied to 직장, 전반.
The gun is attack and sudden threat — being shot, wounded by words or assault, though unharmed means misfortune passed; shooting, decisive victory over a rival.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream