Introducing the Pro-Shot Products TFR-AR, your ultimate solution for total fouling removal. Crafted with robust black nylon bristles, this kit guarantees enduring service over multiple uses. Designed with precision, our brushes are custom-made for your AR-15, ensuring efficient cleaning and maintenance.The TFR kit is conveniently compatible with regular American cleaning rods that have #8-32 threads. It provides a comprehensive cleaning solution as it comes with an upper receiver brush, bolt carrier brush, bore brush, and chamber brush. Its specially formulated features make it the perfect kit for a thorough cleanup of your AR-15.