Justice Elena Kagan intervened, suggesting which the shooter doesn’t actively “make sure that the hand is going back and forth” but in its place “just can make sure that he's pushing forward.” Faced with the dominance of the machine gun, the belligerents sought means to restore mobility and offensive action https://machguns.com/product/american-180-tuned-by-val-cooper-excellent-w-extras-b01694/