UIC ADM4 MOD 2
.223 Wylde chamber, GIO, 14.5 (new 2020) or 16 in. CMV Criterion barrel, mid-length gas system, Battlecomp 1.0 (disc. 2019) or Surefire Warcomp (new 2020) muzzle device (permanently attached on 14.5 in. barrel), slick-sided magwell, billet ...