5.56 NATO cal., GIO, mid-length gas system, 16 or 18 in. SS fluted barrel w/SS or black finish, JT comp, 10 or 30 shot mag., ALG QMS trigger, no sights, 6-pos. receiver extension, carbine buffer, MFT Battlelink Minimalist stock w/JT Hogue pistol grip, ext. M4 feed ramps, billet lower and flat-top upper receiver, 9, 12, or 15 in. free float KeyMod rail, ext. latch charging handle, Mil-Spec anodized or Cerakote finish in various colors, approx. 6-8 lbs. New 2015.