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

1 × NBS Mil-Spec M4 Carbine Stock; 1 × Discount Mil-Spec Carbine Buffer / Receiver Extension Kit; 1 × OEM Mil-Spec AR-15 Lower Parts Kit

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

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

1 × MFT BATTLELINK Minimalist Stock – Mil Spec – Black; 1 × Discount Mil-Spec Carbine Buffer / Receiver Extension Kit; 1 × ODIN Works Complete Lower Parts Kit

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

1 × B5 Systems BRAVO Black Mil-Spec Stock – OEM; 1 × B5 Systems P-Grip 23 Black – OEM; 1 × Discount Mil-Spec Carbine Buffer / Receiver Extension Kit; 1 × ODIN Works Complete Lower Parts Kit