SPACE CONTROL GUN - RELIABLE - CANADA
This is a copy of the Pyro gun but it does not have the small fin on the top.
5" (12.5cm) hard plastic clicker gun with distinctive futuristic styling. Available in a range of colors. The wording SPACE CONTROL is molded into the side along with stars and Saturn. The handle has a backward sweep, there is plenty of rib detailing but according to the photo there is no tiny fin above the trigger.
This gun appears in the 1953 Reliable Plastic Toy catalog. Sold in trade boxes.