The Windham SRC-300BLK is a .300 Blackout carbine built by the original Bushmaster workforce after the company's founding in 2011, offering Windham's trademark fit and finish. Type: Rifle Action: Semi-Automatic Caliber: .300 Blackout Capacity: 30 Year introduced: 2013, USA Weight: 62 oz Overall length: 32.5" Status: Active Intended use: Hunting, Tactical