Ruger's entry into the AR-15 market targeting the budget buyer. The AR-556 features a cold-hammer-forged barrel, A2-style flash hider, and Ruger's reputation for quality control at a competitive price. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2014, USA Weight: 6.5 oz Overall length: 32.25" Status: Active Intended use: Home Defense / Sporting