This RGQ from RGuns is a semi-automatic AR-15 rifle that is chambered .223/5.56NATO. This particular model features a 16\" 1:9 heavy barrel that is incredibly accurate. This is turned to center, stress relieved, and chamber polished. This model is also particle tested, and air gauged. The upper and lower receiver are a matched set constructed of 7075-T6 aluminum and are Type-3 hard coat anodized with a Tiger Stripe camouflage finish. This rifle also features an OD Green finish on the rail, pistol grip, and buttstock. The free-float rail section is perfect for attaching any tactical accessories of your choosing. Also featured on this model is a Yankee Hill Machine flash suppressor. If you are looking for an AR-15 that combines quality features with affordability, then you need to pick up one of these fantastic RGQ rifles today!