The .308 is really good at a lot of things, but other rounds are better in specific roles. Where the .308 is a jack of all trades, other rounds designed for one purpose have done a better job in the roles they were designed for. But none can fill all roles like the .308 can. In the combat/close quarters battle role, the .223 is king. There is no denying it. When the M16 replaced the M14 as our nation’s primary service weapon in the 1960s, it permanently made the .308 a less acceptable combat round. The .223 round is lighter,...