Windham Weaponry was founded by former Bushmaster employees after the Freedom Group acquisition of Bushmaster. The WW-15 is a direct continuation of the pre-Freedom Group Bushmaster design philosophy with the same Windham, Maine workforce and manufacturing equipment. Type: Semi-Auto Rifle Action: Direct Impingement Caliber: 5.56x45mm Capacity: 30 Year introduced: 2011, USA Weight: 6.8 oz Overall length: 32" Status: Active Intended use: Home Defense, Range, Duty