I copy you, you copy me...

Plastic Space gun, ?, Macau,
1960's (in background Space Outlaw gun)

Plastic Space gun, ?, Macau,
1960's

When a design is that good - it has to be used again, doesn't it ? Not a 100% copy (longer scope, vertical bars instead of horizontal ones on top of barrel) but a very close match. Even the rocket and the stars on the grip are identical...