Breakthrough Clean Technologies AR15 Upper Brush Set w/ Chamber Pads Black / Green AR15. This kit provides you with all the essential tools required for an effective AR15 clean-up. The precisely sized Upper Receiver Brush and Bolt Carrier Brush are designed to tackle stubborn carbon deposits on the receiver and bolt carrier ensuring optimal performance. The inclusion of the Chamber Brush Chamber Mob and Star Chamber pads offers a specialized approach for tackling hard-to-reach buildup within the star chamber providing thorough cleaning and lubrication. To complete the set a nylon bore brush stands ready to ensure a pristine barrel. Trust in Breakthrough Clean Technologies to deliver a comprehensive solution for your AR15 maintenance needs. Specifications for Breakthrough Clean Technologies AR15 Upper Brush Set w/ Chamber Pads: Manufacturer: Breakthrough Clean Technologies Quantity: 1 Color: Black/Green Package Contents: Breakthrough Clean Technologies AR15 Upper Brush Set w/ Chamber Pads Breakthrough Clean Technologies BT-AR15UBS: AR15 Upper Brush Set w/ Chamber Pads Black / Green AR15