The NERF GELFIRE MYTHIC is a decent blaster, but the custom hopper design doesn't allow it to work with the standard screw-in hopper designs. This adapter allows standard grenade-style hoppers or Gel Blaster SURGE (and SURGE XL) HOPPERS to be used.
Watch the video to see how well it works
https://youtu.be/cLMXTe4lRoU