CMMG is excited to be able to be able to offer you high quality AR-15 barrel sub assemblies made from high quality materials on precision machinery by skilled manufacturers. Get this CMMG AR-15 Barrel Sub Assembly 16.1″ Medium Taper Profile .350 Legend from Machine Guns Kings for the best value online! We will have all your guns, knives, clothing and accessories ready for the cheapest price so get them while you can with easy, fast shipping.