DealAnderson 16-inch M4 Contour Barrel with 1:8 Twist, Chambered in 5.56/.223, Parkerized Finish, Carbine Gas System Front Sight Base installed, Plastic A2 hand guards. Gas block is railed to allow the end user to install their front sight of choice. from The Armory (Product 74603-UP-NO-BCG) |