Nerf Rival Prometheus MXVIII-20K Blaster, Includes 200 Official Nerf Rival Rounds - Walmart.com
NERF Rival Prometheus MXVIII-20K - Blaster-Time
HeadShot Ammo for Toy Gun – Yellow Foam Balls Refill Pack, Compatible w/ Nerf Rival Prometheus and Other Nerf Rival Toy Guns for Boys & Girls,4 00-Rounds Rounds of Bullets – Botarogadget