![Keystone Cruiser](http://www.collectingkeystone.com/wp-content/uploads/2021/11/Keystone-Cruiser-1024x344.jpg)
This cruiser is 11.5 inches long. It was produced circa 1940. These are not rare but are not seen too often. The barrel shoots a projectile quite a distance with a powerful spring.
From my private collection.
The History of Keystone Manufacturing Company From 1919 to 1967