Product Summary
The CMMG AR-15 Banshee Complete Upper Receiver is a compact 9mm Luger system featuring a 5-inch 4140 Chrome Moly Vanadium barrel. It utilizes a Radial Delayed Blowback (RDB) action with a fixed ejector for improved reliability and a smaller overall footprint. The upper comes finished in Armor Black Cerakote and includes an M-LOK rail and a CMMG Zeroed Muzzle Brake. This setup is ideal for shooters looking to build a highly compact 9mm AR platform for close-quarters use.










