This week we take a look at a big-bore AR that sits at the top in terms of the size and weight of bullets that leave its barrel—the Alexander Arms Hunter, chambered in .50 Beowulf. The cartridge is loaded with .500-inch bullets that typically weigh 300 to 400 grains, but the case rim is drastically rebated to easily fit an AR bolt head. It offers a substantial boost in power over the .223 Rem., yet the Hunter remains a nimble rifle in thick brush and other places where shots come close and quick. The rifle weighs less than 7.5 pounds and has an overall length as short as 31.75 inches, but thanks to its chambering can down big game including elk and even bison. Learn more about it in the video embedded above, hosted by Executive Editor Adam Heggenstaller. MSRP: $1,659; alexanderarms.com.