Best Buy has the Nerf – Khaos Blaster Assortment for only $28.99! (Reg. $70) Gear up for dart combat with this Nerf Rival Khaos blaster. It includes a 40-round magazine and 40 high-impact rounds to get you started, and it fires rapidly at a velocity of up to 100 feet/sec. This fully motorized Nerf Rival Khaos blaster has an ambidextrous magazine release, letting you reload quickly while in action.