100pcs Rounds Refill Pack Balls Ammo for Nerf Hyper Blaster Series Stock Up Hyper Games 14 mm White PU Bullets Glow in the Dark - AliExpress
If Nerf Hyper rounds are 13-14mm diameter, then it stands to reason that with minor modifications the Sportsman would be able to fire them. With a massive hopper it may make for
100pcs Rounds Refill Pack Balls Ammo for Nerf Hyper Blaster Series Stock Up Hyper Games 14 mm White PU Bullets Glow in the Dark - AliExpress
Hyper Round | Nerf Wiki | Fandom
Nerf Hyper Rush-40, Siege-50 and Mach-100 review: where the rubber meets the foam - The Verge
Amazon.com: NERF Hyper Siege-50 Pump-Action Blaster, 40 Hyper Rounds, Holds Up to 50 Rounds, Glasses, Up to 110 FPS Velocity, Easy Reload, Toy Foam Blasters