A motorized direct plunger is a type of plunger system. It is electronically based, like flywheels, yet it is more efficient because it resembles the basic form of a direct plunger. As of now, the Stampede ECS, the Swarmfire, the Vulcan EBF-25, and the Speedswarm are the only blasters to use this firing mechanism.
This mechanism is motorized and is actually integrated with a direct plunger system. When the trigger is pulled, the dart is loaded and the piston is released simultaneously, causing the dart to fire. This is a direct plunger because the plunger simply moves back to create an air seal, and then releases to fire the dart. The motor inside the blaster resets the mechanism so that it can repeat over and over again.