Originally Posted by DENVERDUI55
They are all the same semi automatic rifles and their actions work in similar fasion. The first picture is an AR that people always call a full automatic machine gun or assault rifle. Another funny thing is everyone thinks AR's come only in .223 caliber.
Yeah .223 just the most popular. They even have .22 tactical style rifles which are a blast to shoot I heard. But yeah hunters get them in .308 so they can hunt deer I know that. Media focuses on the .223 because that is a really popular calibar.