Upper receiver is Mil-spec with indexing marks and M4 feed ramps. Chrome-moly Vanadium steel, cold hammer forged, chrome-lined barrel. Barrel is 14.5 inch with pinned 1.5 inch DD flash hider for a total length of sixteen inches. No sights. CNC machined from aircraft grade aluminum M4A1 RISII rail system in SOCOM approved military flat dark earth with Cerakote finish. Laser etched M4A1 on left side of upper. Lower receiver is Mil-spec with enhanced flared magazine well. Daniel Defense grip and stock.