Results for Heckler and Koch 5.56 NATO

HK MR556 A4 5.56x45 NATO Pistol 11" Threaded Barrel 30+1 Round Black

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 11" Barrel

HK MR556 A4 5.56x45 NATO Pistol 11" Threaded Barrel 10+1 Round Black

HK MR556 A4 Semi Automatic Rifle 5.56x45mm NATO 16.5" Black Threaded Barrel Matte Frame Black Stock Pistol Grip 30+1

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel

HK MR556 A4 Semi Automatic Rifle 5.56x45mm NATO 16.5" Black Threaded Barrel Matte Frame Black Stock Pistol Grip 20+1

HK MR556 A4 5.56 NATO 11" 30rd SBR - Black