ATOMIC WATER PISTOL - RELIABLE - CANADA

A hard plastic space water gun, a cross between a pistol and a more classic shape with rings on the muzzle and ribs on the side. 8" 16cm . This gun has a small enclosed trigger. There is an R in a circle molded into the side and black detailing of parts. There are several color versions. Box? Packaging?

First sighting is currently in the 1953 Reliable Plastic Toy catalog. Sold in trade boxes.