My new Halo-B upgrade is missing a few parts. The spring & bead thingy are in fact missing. I received an e-mail from Odyssey Paintpall Products today which confirms it. They gave me the choice of sending the "B" back, or just shipping the parts out to me. I chose the latter.
Refer to This Thread for the whole story.
I gotta admit, the "B" is working fine without those parts!