16 inch AP4 Rifle Kit Less Lower Receiver, Unassembled. AP4 Contour Barrel Chrome Lined Chambered in 5.56 NATO 1-9 Twist Rate A3 Upper Receiver w/Detachable Carry Handle DPMS GlacierGuard Handguards AP4 Collapsible Stock Standard Phosphated Bolt Carrier Assembly No F.E.T. Now comes with TL-MW Multi-Tool