Lower carrier has been polished. If you'll notice the shiny area that rides inside the upper is the only area that requires it.
http://i907.photobucket.com/albums/a...ps9c9c35fd.jpg
http://i907.photobucket.com/albums/a...ps3c8bc308.jpg
I used 400 or 600 grit sandpaper. Apologies for the oversized pics.
-Jax

