Today Ibrahim and I tried water to remove the sleek/spots/scratches on the BBSS AR detailed in alog 90600.  I tried to rub a water soaked q-tip on a small ~5mm x 2mm section of one fo the lower areas previously worked on.  Once scrubbed I chase wiped it with a methanol alpha swab.  I repeated this a few times.  No change.  We then tried to see if we could see these features from looking at the inside of the AR surface through the barrel which sometimes gives hints at if things are in the optic (often visible to the viewing angle) or on-top of the optic (often invisible to this viewing angle).  Unfortunately, we in-fact could see them this way.  So, they may be scratches.