Windham Weaponry SRC in .300 Blackout with 16-inch barrel. Budget-friendly .300 BLK offering from the former Bushmaster workforce. Type: Semi-Auto Rifle Action: Semi-Automatic Caliber: 300 AAC Blackout Capacity: 30 Year introduced: 2015, USA Weight: 63.5 oz Overall length: 32.5" Status: Active Intended use: General Purpose/Hunting