Case Trimmer Pilot Features Redding Case Trimmer Pilots are just what you need to adapt your favorite Redding Case Trimmer for specific caliber sizes. These pilots come in a wide range of sizes to accommodate all of the most popular cartridge calibers designed to ensure that the case is held square to the cutter during trimming. Redding Case Trimmers are designed to trim cartridge cases quickly and accurately but you need the right caliber-specific pilot to make that happen. These pilots feature a tapered head which guides the pilot smoothly into the case and holds it in place for maximum security during trimming. Case Trimmer Pilot Specifications Redding Case Trimmer Pilots .25 Cal