Why compare the .308 vs 5.56? Because it just might help you decide between an AR-15 or and AR-10 rifle platform.

Ruger has introduced the Ruger Precision Rifle chambered in 5.56 NATO/.223 Rem., usable with a wide range of readily available ammunition, and broadening the appeal of the already very popular rifle.

Key point: Warfare is a constant battle between better and better armor and bullets. In this case, America is looking to regain the upper-hand once again. The Army is developing a more powerful ...