Fire up the action with the Modulus Mediator blaster core, which is part of the Mediator Series and can be upgraded with the Mediator Stock and Mediator Barrel to create the Mediator XL blaster! Product Features Blast into battle with the pump-action, clip-fed Nerf Modulus Mediator blaster Unleash darts rapidly with slam-fire blasting Nerf N-Strike Modulus Mediator blaster is the core of the Mediator Series Barrel and stock attachment points let battlers upgrade to the Mediator XL Attach Modulus accessories to the tactical rails