WGP/Similar Ammo Boxes - How Well do They Feed?

[OpusX]

Brass eagle hopper and the zip tie mod is a great pump hopper with 10 round tube reloads.

[Spider!]

You can keep the wgp half full and shake it to fill the feed neck every time the neck runs dry. That's how it was done, and that's why oil can loaders were about the same with more volume.

[OpusX]

Zip tie mod for reference.