Iosso AR-15 Gas Tube Cleaning Kit 223 and 308

This kit was designed to clean the gas tube without complete disassembly of the AR rifle. It contains two gas tube brushes and a clear guide tube. This patented technology allows the gas tube to be cleaned easily and to save time without removing it. Apply a little Iosso Triple Action Oil to the Gas Tube Brush. Insert the clear guide tube over the end of the Gas Tube. Hold the brush end of the gas tube brush close to the bristles and slowly feed the brush through with short strokes until it reac