This SpeedLoader is specially designed to work with Blasters3D SpeedLoader Access Door for Kronos to provide fluid reload operation. Blasters3D SpeedLoader Access Door is not necessary to use this device. Carry multiple SpeedLoaders with Blasters3D SpeedLoader carriers so that your Kronos is always ready for action in a Nerf war.
Nerf equipment used for illustration of this access door are not included. You can get the Nerf Rival Kronos XVIII-500 from Amazon here:
Blasters3D has made improvements to the original design. Original design is available via Creative Commons - Attribution license here: