Winchester Max Pro Gun Cleaner & Lubricant is a specially formulated deep-penetrating cleaner and lubricant that cleans firearm actions without disassembly. Winchester Gun Cleaner & Lubricant contains a high-grade lubricant for smooth, reliable operation of firearm parts, while leaving a corrosion-protectant coating for maintaining fine firearms. The jet-action spray from the extension tube blasts away dirt from hard-to-reach areas of chambers, barrels, choke tubes, gas ports, magazines and barrel threads. With Winchester Pro Max, you’ll have your firearm looking brand new in no time.