The Hornets Nest is a 40mm adapter that fits 10 rounds of .22LR. With one pull of the trigger, all 10 rounds are fired. This is intended for use with 40mm destructive devices like grenade launchers. I am not sure if the DD NFA status trumps Machine gun? It is multiple rounds fired with one trigger pull. But since they are shot at the same time, does this make it like a shotgun? I am not sure if the hornets nest can be fired without the grenade launcher.

Any of our readers have experience with this device?