Cap gun
（重定向自Cap pistol）
![This is a display of Nichols Industries cap guns. Some collectors collect all brands.](/Images/godic/202501/03/Capgundisplay1619.jpg")
A cap gun, cap pistol, or cap rifle is a toy gun that creates a loud sound simulating a gunshot and a puff of smoke when a small percussion cap is exploded. Cap guns were originally made of cast iron, but after World War II were made of zinc alloy, and most newer models are made of plastic.