Springfield's entry into the AR-15 market. Mid-length gas system, chrome-lined barrel, M16 bolt carrier group. Reliable entry/mid-tier direct-impingement carbine. Type: Rifle Action: Semi-Auto Caliber: 5.56 NATO Capacity: 30 Year introduced: 2017, USA Weight: 6.3 oz Overall length: 35" Status: Active Intended use: defense, tactical, target