Nerf Ultra Select Fully Motorized Blaster, Fire 2 Ways, Includes Clips and Darts, Compatible Only with Nerf Ultra Darts | Nerf
Amazon.com: NERF Rival 50 Accu-Round Refill, Includes 50 Accu-Rounds, The Most Accurate Rival Rounds, Compatible with All Rival Blasters : Toys & Games