Nerf Hyper Mach 100 VS Nerf Rival Perses - YouTube
REVIEW] Nerf Hyper Rush-40 | Sidearm Game Changer!?! - YouTube
left the one on the left in the melting snow, and apparently rival balls are similar to sponges. they are off brand so maybe that has something to do with it. :
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
The epitome of "switching is faster than reloading". Also you all think Rival will stick around once Hyper picks up? : r/Nerf
Amazon.com: NERF Hyper Evolve-100 Blaster, 70 Hyper Rounds, Spring-Open Instant Reload Hopper, Up to 110 FPS Velocity, Eyewear Included : Toys & Games
Nerf Hyper Rush-40, Siege-50 and Mach-100 review: where the rubber meets the foam - The Verge