bcn complete lowerSeemed it about so many times and can't find the blem. Everytime I believe I obtain one thing off, it is just oil smudges. Finest guess at this stage is scuffs on castle nut, or The 2 very small silver places in the flare of the magwell. 1mm dots at most. BCM QC does not mess close to it seems.This assembly incorporates our impact… Read More