The CMMG Banshee 300 in .300 Blackout with a 5-inch barrel is one of the most compact AR-pattern pistols in production, featuring CMMG's radial delayed blowback operating system that eliminates the need for an adjustable gas block. Type: Pistol Action: Semi-Automatic Caliber: .300 Blackout Capacity: 30 Year introduced: 2018, USA Weight: 64 oz Overall length: 22" Status: Active Intended use: Home Defense, Suppressor Host, Concealed Carry Pistol