RCBS Case Trimmer Pilot 40 Cal & 10MM (.400 Diameter) Height_Super High Chamfer attachments are designed to

Chamfer attachments are designed to put a slight bevel on the inside of the case mouth to make seating bullets easier

Bullet Weight: 123 Grains

precise measurements and tolerances for anvil heights and stability in extremes of temperatures and humidity

Winchester's Super X Blank ammunition was specifically designed for use in field trials and training exercises

RCBS Case Trimmer Pilot 40 Cal & 10MM (.400 Diameter) Height_Super High Chamfer attachments are designed toRCBS Case Trimmer Pilots were designed with a slight taper to guide the pilot into the case mount. This prevents the case from wobbling when trimming to the appropriate length. For RCBS Trim Pro Case Trimmer, Rotary Case Trimmer 2 & Rotary Case Trimmer.