The Brownells AR-15 Deluxe Upper Receiver Cleaning Kit is designed to efficiently clean heavily fouled AR-15 upper receivers, particularly the bolt carrier way and locking lug recess.
The Deluxe Kit includes a bronze receiver brush, wool mop, AR-15 chamber brush, thread adapter, and an extended brass cleaning rod with a plastic handle.
The Standard Kit contains the bronze receiver brush, wool mop, and a shorter brass cleaning rod, suitable for basic cleaning of the upper receiver and bolt carrier way.