NEW SHRIKE BELT FED/MAGAZINE FED UPPER. Fits on AR-15/M-16 lower. For 5.56 and .223 Remington. Includes aluminum heat shield and special Picatinny rail. 16.25 in. quick change self regulated barel. Includes 200 round S&W magazines with links. Call/text 586-722-3901. Brown City, MI or Macomb County. Pictures available. G-1-1