Neck expanding

Content provided by Michiel Meyer, hosted with permission

This stage is only needed if you use soft lead cast bullets instead of CMJ of FMJ bullets. It prevents lead shavings from happening during the bullet seating step. Without this step, the lead bullet might cut into the case mouth instead of going into the case, thereby damaging the soft brass case.

A typical neck expanding die.

Reloading 123, a pictorial overview   Cleaning   Resizing and Decapping   Case Inspection   Priming   Powder   Neck Expanding   Seating   Crimping   Final Inspection