While it seems that Madbull stills plans to go through with this idea, they did make a recent (and much more sane IMHO) announcement that they would be releasing a selection of shells made just for airsoft shotguns!
Behold...

If you check out Madbull's website here (click me) you'll see they are advertising these shells for use in Tanaka, Airsoft Surgeon, and G&P airsoft shotguns.
The first two sound quite reasonable, but hold on one second here! Since when did G&P ever make a shotgun that took shells? Perhaps Madbull knows about some impending G&P release that I do not

























