The MCX Rattler Canebrake is a limited edition variant of the Rattler featuring a special canebrake-pattern finish and 5.5-inch barrel, marketed as a premium suppressor host. Type: Pistol Action: Semi-Automatic Caliber: .300 Blackout Capacity: 30 Year introduced: 2020, Germany Weight: 64 oz Overall length: 25.5" Status: Limited Intended use: Special Operations, Home Defense, Collecting