"6933" Style 11.5 Commando Hammer Forged Pencil Upper

"Colt 727 Style" XM4 A2 Chrome Lined 1/7 Upper 14.5 ext A2

.223 Wylde (5.56) M-16 Upper 1/8 416 SS

5.56 M-16 A2 Style Upper 1/7 QPQ

5.56 XM-177 Lite CHF CL Barrel Kit Round

7.62x39 QPQ 4150 Midlength Style Upper 1/8

A1 11.5 Commando Lite 1/7 Upper

C7 "733" 11.5 Commando Lite Upper

Fail Zero 5.56 M-16 Nickel Boron EXO BCG & Radian RAPTOR Charging Handle

XM-177 V1 UPPER 11.5" (16") 1/7 5.56 BLK

XM-177/GAU-5 5.5" Flash Hider Phosphate

"6933" Style 11.5 Commando Lite Upper