Windham Weaponry SRC with M4 6-position collapsible stock and 16-inch barrel. Standard carbine configuration from the former Bushmaster team. Type: Semi-Auto Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2012, USA Weight: 62.5 oz Overall length: 32.5" Status: Active Intended use: General Purpose