The CMMG Banshee 9mm in 4-inch configuration is one of the most compact AR-pistol options available. It uses CMMG's Radial Delayed Blowback system with a 4-inch barrel, accepting Glock 9mm magazines via a dedicated lower. Type: Pistol Action: Blowback Caliber: 9mm Capacity: 33 Year introduced: 2019, USA Weight: 5.2 oz Overall length: 16.5" Status: Active Intended use: Range, Home Defense, Carry