Windham Weaponry's MPC (Multi-Purpose Carbine) in .300 Blackout is built with the same Maine craftsmanship as their 5.56 offerings. The 16-inch chrome-lined barrel and carbine-length gas system handle both supersonic and subsonic .300 BLK loads. The MPC designation reflects its intended versatility as a hunting, home defense, and suppressor-host platform. Windham's quality control differentiates it from budget .300 BLK offerings. Type: Rifle Action: Semi-Automatic Caliber: .300 Blackout Capacity: 30 Year introduced: 2014, USA Weight: 64 oz Overall length: 32.5" Status: Active Intended use: Suppressor Host, Home Defense, Hunting