The "Rifle" function shot twelve white bullets one at a time via a bolt action spring mechanism through the silver barrel.
The launcher extends upwards, and the spring loaded grenade is launched by depressing a button on the side of the rifle.
Pull the lever back towards the stock, press the release button and you get a "rat-a-tat" machine gun noise.
To replace lost components, Topper also marketed an additional spare ammunition pack that comprised a complete set of four grenade/missiles and twelve bullets.
Deluxe Reading was famous for creating huge package playsets that could be seen by children when viewing the top, unusable shelf in grocery store chains.
The Johnny Seven gun was manufactured in four countries, and in order of rarity for collectors purposes, they were Australia, the United Kingdom, Canada (in a dual-language box) and the American version.