5.56 NATO cal., Lo-Pro gas block, 10 1/2 in. cold hammer forged medium contour barrel, KX5 flash suppressor, 30 shot mag., ALG Defense ACT trigger, F-marked fixed front sight, rear Noveske backup iron sights (by Troy Ind.), SB Tactical SBA3 pistol brace, Magpul MOE grips, Gen I forged lower and Light Shorty flat-top upper receiver w/ext. feed ramps, NSR-9 KeyMod or M-LOK free floating handguard, Radian Raptor ambi charge handle, shot peened & MP tested bolt, auto carrier w/staked carrier key, Mil-Spec 6-pos. receiver extension, staked QD endplate, M4 type w/double aluminum heat shield, Type III hardcoat anodized black finish. Disc. 2021.