About the AR 556 5 56mm

The Ruger AR-556 is a semi-automatic rifle. It is chambered for 5.56x45mm NATO ammunition, which is also compatible with .223 Remington. This rifle is designed for a variety of shooting applications, including sport shooting and home defense. The free-float handguard contributes to accuracy by not contacting the barrel. Its Barrett Brown Cerakote finish provides corrosion resistance and a distinct appearance.