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

1 × Aero Precision 5.56 Bolt Carrier Group – Black Nitride; 1 × Aero Precision M4E1 Threaded Stripped Upper Receiver

1 × UTG ACCU-SYNC Spring-Loaded AR-15 Flip-up Front Sight, Black; 1 × UTG ACCU-SYNC Spring-loaded AR-15 Flip-up Rear Sight, Black

3 × Anderson Manufacturing AM-15 Stripped Lower Receiver – Closed – Anodized Black

1 × B5 Systems Enhanced SOPMOD Mil-Spec Stock – Black – OEM; 1 × Discount Mil-Spec Carbine Buffer / Receiver Extension Kit

1 × NBS Mil-Spec Carbine Buffer Kit; 1 × Magpul MOE Stock Mil-Spec – FDE

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

1 × Magpul MOE Stock Mil-Spec – Black; 1 × Discount Mil-Spec Carbine Buffer / Receiver Extension Kit

1 × Aero Precision AR-15 Assembled Upper Receiver; 1 × Aero Precision AR-15 Stripped Lower Receiver – Black

1 × Discount Mil-Spec Carbine Buffer / Receiver Extension Kit; 1 × MFT BATTLELINK Minimalist Stock – Mil Spec – Black – OEM