The wheel also includes an opening in the third portion leading to a chamber in a hollow support of the wheel. A spring-biased knob is mounted on a shaft that also mounts the wheel. Both the knob and the wheel have axially align protrusions that may engage each other to allow the wheel to be rotationally adjusted to correct any jam or misalignment of the darts stored on the wheel. A flexible arm and a pusher structure are also included with the magazine apparatus and are connected to a constant force spring, where the flexible arm and a portion of the constant force spring are lodged in the chamber of the hollow support during a dart loading process of the wheel, and the constant force spring uncoils when the wheel is rotated during the loading process. The constant force spring biases the wheel to feed the darts from both the drum and the clip to a firing position at the end of the clip located in the launcher, but the constant force spring is insufficient to discharge the darts when the magazine is not connected to the launcher.