Wheeler Engineering AR 15 Complete Brush Set -The Wheeler Engineering Delta Series Complete Brush Set for AR15 156715 has been specifically designed for cleaning your AR-15. These Cleaning Brushes from Wheeler are made of a high quality stiff Nylon, spun around steel cores for added stability. The Wheeler AR15 Delta Brush Cleaning Kit features an 8 x 32 thread that fit on the included cleaning handle or any 8 x 32 cleaning rod. Magazine/Upper Receiver Brush with Magazine Takedown ToolBolt Carrier BrushChamber Brush.22 Cal Bore BrushHandle for action and chamber cleaning