The Anderson Manufacturing AM-15 is the value leader in the AR-15 market. Built to mil-spec dimensions with a 16-inch M4-profile chrome-moly barrel, carbine-length gas system, and a standard A2 buttstock, it offers reliable function at a price accessible to first-time AR buyers. Anderson is the largest manufacturer of AR-15 lowers in the United States, producing receivers for dozens of other brands. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2010, USA Weight: 62 oz Overall length: 32.5" Status: Active Intended use: Home Defense, Target Shooting, First AR