FN America Barrel Ar-15 Button Rifled 16'' 17 Carbine Gas Govt.. . Established using some of the very most heavy duty and dependable resources around these AR15 Barrels by FN America will provide you with an item which will give you many years of dependability. FN America has been developing superior quality products for a number of years and the FN America Barrel Ar-15 Button Rifled 16" 1:7 Carbine Gas Govt. is their very own means of showing you exactly how much they care. Here at OpticsPlanet we ensure that it is our responsibility to obtain the perfect solution for all of your requirements and featuring the FN America Barrel Ar-15 Button Rifled 16" 1:7 Carbine Gas Govt. is one thing that we are delighted to offer. Specifications for FN America Barrel Ar-15 Button Rifled 16" 1:7 Carbine Gas Govt.: Manufacturer: FN America Color: Black Caliber: .223 Remington Barrel Length: 16 in Additional Features: Threaded Package Contents: FN America Barrel Ar-15 Button Rifled 16" 1:7 Carbine Gas Govt.