Rosco Manufacturing Purebred Barrel, 223WYLDE, 16, Bead Blasted Finish, 1:8 Twist, 1/2x28, 416R PB-16-GVT-223W-8-M This Rosco 16" .223 Wylde Barrel is the perfect addition to your next DMR (or SPR) build featuring great balance" and properly sized gas ports in order to optimize performance while reduce premature wear and tear (from over gassing). This barrel is perfectly suited for SPR rifles which will have a suppressor most of the time. The overall size of the platform will be comfortable for the shooter to haul around without sacrificing accuracy.