I looked @ mine and don't see what you are talking about and we are using the same sight too I think, mine has the extension arm. I use felt on the brackets before attaching them, not sure if that is why I am not seeing it. Did you try flipping the bracket?
2012 PANTERA w/ cloaked cams (still in the set up phase)
2012 ONZA III w/cloaked cams, Quad rest, PINK Meta peep, Truglo Micro Brite w/ extension, Doinker Stabilizer
2010 Saber, NAP 360 rest, Meta peep, Truglo Micro Brite DDP, Doinker Stabilizer
True-Fire Hardcore and Winn Free Flight releases
Maxima's tipped w/ RAGE broadheads (some w/ PINK fletching)