FN America Barrel Ar-15 Button Rifled 10.5'' 17 Carbine Gas Govt.. 5" 1:7 Carbine Gas Govt.. These AR15 Barrels from the skilled product professionals at FN America are made using long lasting and reliable resources in order to provide you with product which will be useful for a long time. Designed using some of the best attainable substances and engineering these AR15 Barrels through the product professionals at FN America can last you an incredibly long time. FN America has been generating high quality merchandise for a very long time and the FN America Barrel Ar-15 Button Rifled 10.5" 1:7 Carbine Gas Govt. is their very own means of revealing just how much they care. At OpticsPlanet we make it our obligation to get the most suitable product for all your preferences and exhibiting the FN America Barrel Ar-15 Button Rifled 10.5" 1:7 Carbine Gas Govt. is something that we're delighted to offer. Specifications for FN America Barrel Ar-15 Button Rifled 10.5" 1:7 Carbine Gas Govt.: Manufacturer: FN America Color: Black Caliber: .223 Remington Barrel Length: 10.5 in Additional Features: Threaded Package Contents: FN America Barrel Ar-15 Button Rifled 10.5" 1:7 Carbine Gas Govt.