Board Thread:General Nerf discussion/@comment-27306930-20170606234825/@comment-29595756-20170612030725

As far as I can tell from my Stryfe, they are part of the dart arms that act like a dart skirt. They nubs are actually grooves in the barrel that the arms fold into to get out of the way of the dart. If you removed the dart arms, the nubs can't be too useful anyways right?