So, you don’t have $2,000 to spend on a switch-barrel, piston-driven Ruger SR-556? No problem, as Ruger’s AR-556 is a direct-gas impingement carbine that offers most of the features AR buyers are looking for at a little more than a third of the price. American Rifleman's Joe Kurtenbach discusses the AR-556's budget-friendly build in the latest edition of NRA's Gun of the Week. Check out the video embedded above for more information.