Ballistic Advantage Premium Series, Hanson Profile Barrel, 308 Winchester, Fits AR10, 18 Threaded Barrel, 5/8x24 Thread Pitch, 1:10 Barrel Twist, Mid-Length Gas System, Bead Blasted Stainless Steel Finish, Silver BABL308018P This .308 chambered (DPMS style) 16 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. The Premium Series Barrels are HP and MPI tested" ensuring the best in quality and accuracy.