GC_UPC Panzer Arms M4 Tactical B&W American Flag 12 GA 18.5" Barrel 5-Rounds $508.99 PAM4TSBWUSFC show more like this 9.99 GrabAGun.com GC_UPC Panzer Arms M4 Tactical 12 Gauge Semi-Automatic Shotgun 18.5" Barrel White and USA Flag Pistol Grip $549.00 - show more like this 0.00 MidwayUSA