Gun & Firearm Bore Cleaner .17 Caliber OUR PRODUCT IS UNLIKE ANY OTHERS ON THE MARKET GUARANTEED FOR LIFE UNDER NORMAL USE CONDITIONS NO MORE BENT OR BREAKING CLEANING RODS OR ANY OTHER BROKEN COMPONENTS NYLON POLYMER IS INTERLOCKED. DESIGNED TO TRAP FOULING, DEBRIS RIGHT INTO THE MATERIAL USE ANY CLEANER, SOLVENT, OR OIL WITH GREAT RESULTS