Bushmaster QRC II LTW Upper Assembly 16in 5.56 NATO/.223 Remington Black

Bushmaster QRC II LTW Upper Assembly 16in 5.56 NATO/.223 Remington Black. Built to the highest standards this upper assembly is perfect for the range or at home. The Bushmaster QRC II features a caliber of 5.56 NATO (.223REM) and a carbine-length gas system. The 16 4150 CMV Salt Bath Nitride Pencil Barrel with a 1:7 Twist Rate and ? x 28 Thread Pitch provides both accuracy and power. The QRC II's Salt Bath Nitride MPI Bolt Carrier Group ensures that the upper assembly will fire reliably time aft