The revolving drum has an 8-dart capacity. Fire 8 darts in a row, then reload fast from the onboard storage that holds 8 darts. This Nerf Elite 2.0 blaster comes with 16 Official Nerf Elite darts -- 8 darts to load into the drum and 8 darts to store on the blaster. Take aim and send the darts flying through the air up to 90 feet (27) meters. It has 3 tactical rails to add Nerf accessories (each sold separately, subject to availability). Eyewear is recommended (not included). No batteries are required.