Improved Nerf Wye Hopper
thingiverse
I run a 3D design directory on the nerf forum Nerf Haven, and this is a design I made of a clip that is used on higher powered nerf guns. It gravity feeds darts, so you can have repeating fire action. These work best on homemade and other high power nerf guns. They use stefan darts which are shorter, and have more weight. Instructions There is a great guide on Nerfhaven for how to assemble these once you have the part printed. I didn't make the guide myself, but it is really informative, although old.http://nerfhaven.com/forums/index.php?showtopic=19569
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