16" 1x7 ARM-4 Stripped Barrel

16" 1x7 ARM-4 Chrome Lined Gov't Barrel

16" 1x7 Chrome Lined ARM-4 Stripped Barrel

16" 1x7 Nitrided ARM-4 Stripped Barrel

16" 1x7 ARM-4 Post Ban Gov't Barrel (Brake Attached)

16" 1x7 ARM-4 Chrome Lined Post Ban Gov't Barrel (Brake Attached)

16" 1x7 ARM-4 4150, F Sight, M-4 Ramps, Chrome Lined Gov't Barrel

16" 4150 1x7 ARM-4 Stripped Barrel

16" 4150 1x7 Chrome Lined ARM-4 Stripped Barrel

16" 4150 1x7 Nitrided ARM-4 Stripped Barrel