Yes, go check out the barrels BST section and even the gear bag sales section...you can get a good set.
super stanchy...he's all over the place in the paintball forums...he can take care of that for you. he did both my Phantom and TPX...perfectly. You can also look into his EGO detent mod for the phantom...it'll work better than the detent rings.
i also sent in my hammer to get tri-fluted. It gave me a few more shots per 12 gram. i get about 35 now with stock springs and at about 270 fps.
EDIT: i took thenliberty of looking through the gear bag forums.
here you go, we look out for our own here
FREAK at $60...it's a good deal IMO