Originally Posted by BeyondTheBox
I'd think it more a burst fire.
ATF definition of full auto, I believe, requires one to be able to empty the feed source with a single pull and hold of the trigger. Not absolute there though.
Nope. If it "fires more than one shot with a single pull of the trigger"
it's a "machine gun" in the eyes of the ATF. Recent case of a
malfunctioning AR "doubling"---they got a conviction.
Article on the case here: