The ATI Mil-Sport AR-15 is a limited edition modern sporting rifle chambered in 5.56 NATO/.223 Remington with a 16-inch barrel and high-capacity 60-round detachable magazine.ATI Mil-Sport AR-15 Semi-Automatic Rifle5.56 NATO/.223 Remington caliber16-inch barrel with 1:8" rate of twist60-round detachable magazine capacityBlack synthetic stock with blued metal finishSemi-automatic actionIncludes factory sightsLimited edition modelIdeal for sport shooting training and recreational use this modern sporting rifle combines reliable ATI engineering with high-capacity performance in a versatile platform suitable for various shooting applications.