Apparatus and methods employing dual triggered feeding of projectiles from plural or multiple magazine clips with multiple interlock features in a rapid fire toy launcher employing a clips carriage mounted for translatable movement using a carriage selector separately positions clips in line for individual projectile feeding and launch. A propelling mechanism receives projectiles from an elongated projectile checking subassembly using a reversible projectile advancing feeder with a gear combination that advances and returns a pusher extension for feeding projectiles through the clips carriage upper portion. The reversible projectile advancing feeder is positioned in the housing forward the inserted magazine clips. Triggers including a propelling mechanism trigger activates a key and a fire key is activated with a fire trigger.