Alexander Arms UHU65BL Hunter Complete Upper 6.5 Grendel 18" Black Aluminum Cerakote Receiver M-LOK Handguard for AR-15
The Alexander Arms AR15 Standard Rifle Upper was developed to function as the ideal item for anybody trying to find an exceptional option. With a black cerakote finish, and a M-Lok handguard, you could get this upper to complete your build. Includes Thread Protector.