Windham Weaponry Standard Rifle Carbine with 16-inch chrome-lined barrel and carbine-length gas system. Windham was founded by the former owners and workforce of Bushmaster after Cerberus Capital Management sold the brand, preserving the Windham, Maine manufacturing tradition. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2011, USA Weight: 98 oz Overall length: 32.25" Status: Active Intended use: Sport Shooting, Home Defense, Tactical