army11c14.5 colt barrel Surefire 4 prong DD RIS II Colt upper Colt charging handle BCG is unstamped colt Leupold mk6 3.8-18 in Leupold mount CQB sling mount “Sling/bipod not for sale” $2,800 OBO (worst I can say is no) Trades would be 11.5 spear LT KAC KS3 or Mod 2 CQB Giessle GFR 6ARC
