The Hornady M-1 Case Tumbler is a game-changing tool for firearm enthusiasts and gunsmiths alike. Unlike traditional and ultrasonic cleaning methods that often damage case surfaces, this tumbler uses powerful motors to vibrate and tumble cases, ensuring they come out as smooth as new. By individually cleaning and polishing each case, the Hornady M-1 Case Tumbler delivers superior efficiency and effectiveness. The included brass media is highly polished, enhancing the cleaning process by staying in contact with the cases. This means you can process several hundred cases in one go, with most emerging exceptionally clean. However, the initial condition of your cases will impact cleaning time—particularly dirty cases may benefit from a pre-wash with soap and water. The vibratory action of the tumbler will then effectively remove any lingering debris and dirt. Trusted by many gunsmiths for its reliability and superior performance, the Hornady M-1 Case Tumbler stands out as one of the most preferred tools in the industry. Experience the remarkable cleaning power of this Hornady product for yourself and understand why it remains a favorite among both novice and seasoned reloaders.