Bcn complete lower Seemed it in excess of so persistently and can't find the blem. Everytime I feel I come across something off, it is simply oil smudges. Greatest guess at this time is scuffs on castle nut, or The 2 little silver places in the flare of the magwell. https://bcmlowerreceiver91234.blogolize.com/examine-this-report-on-bravo-company-lower-68171098