Looking to upgrade your AR-15 Barrel? Or maybe you're looking to complete a totally new AR-15 Rifle Build. Well, either way you're in the right place because US Patriot Armory is your one stop shop to fill all of your AR-15 needs! We carry an expansive line of AR-15 parts to complete any AR-15 gunsmithing project. Start shopping now to find the right AR-15 barrel for your rifle build!