Windham Weaponry was founded in 2011 by former Bushmaster employees using the original Windham, Maine manufacturing facility. The SRC (Sport Rifle Carbine) is their baseline AR-15, built to mil-spec tolerances with a chrome-lined M4-profile barrel. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2011, USA Weight: 6.9 oz Overall length: 32.6" Status: Active Intended use: Home Defense, Range, Patrol