1 × NBS Mil-Spec M4 Carbine Stock; 1 × Discount Mil-Spec Carbine Buffer / Receiver Extension Kit

1 × Trinity Force AR-15 Lower Vice Block; 1 × Trinity Force AR-15 Upper Vice Block

1 × Aero Precision AR-15 16″ 5.56 Midlength Complete Upper w/ Pinned FSB, MOE Midlength Handguard – Black; 1 × Aero Precision AR-15/M4 Carbine Receiver Extension / Buffer Kit; 1 × Aero Precision AR-15 Mil-Spec Lower Parts Kit; 1 × Aero Precision 5.56 Bolt Carrier Group – Black Nitride; 1 × Magpul MOE Stock Mil-Spec – Black; 1 × NBS Enhanced AR-15 Mil-Spec Charging Handle