Move the grip to change modes in 1 fast, easy step! Swing the grip down to automatically extend the stock and raise the sight. Swing the grip up to automatically retract the stock and lower the sight. The Nerf Mega Bulldog blaster is part of the AccuStrike Series that features darts designed for greater accuracy. Load 3 darts into the front of the blaster, pull the handle back, and pull the trigger to fire 1 dart. A storage area on the blaster holds 3 darts.