SPACE GUN WITH TELESCOPIC SIGHT - PYRO? - USA

This hard plastic clicker space gun is clearly influenced by the Pyro Space Control Gun but significantly different; the breech is cylindrical, there's a large telescopic sight on the top and the molded details include a rocket. Details? Maker? 5in 14cm. Seen in a range of colors. Box? Packaging?

The Space Ranger variation of this gun was offered as a free gift in December 1953. The regular version does not have any wording on the side.

There is a Hong Kong version of the gun marked 555 on the handle. It has a different trigger design.