HELPING THE OTHERS REALIZE THE ADVANTAGES OF BCM LOWER COMPLETE

bcn complete lowerSeemed it about so many times and will't locate the blem. Everytime I believe I discover a thing off, it is just oil smudges. Ideal guess at this stage is scuffs on castle nut, or The 2 tiny silver places while in the flare of the magwell. 1mm dots at most. BCM QC would not mess close to it seems.Essential an LPK plus a buddy inst