The Redding Premium Neck Expander Die prepares handgun cartridge necks by gently belling the case mouth to aid consistent bullet seating and extend brass life. It is intended for .38 Special and .357 Magnum handgun cartridges and is constructed from high-quality steel. The die ships with a plastic storage case and is backed by Redding’s company lifetime guarantee. Note that this die sizes the neck only; body and shoulder dimensions are not altered.
Key Specifications
- The manufacturer is Redding.
- Compatible with .38 Special and .357 Magnum handgun cartridges.
- Function: neck expander die for reloading operations.
- Includes a plastic storage case.
- Manufactured in the USA.
- Warranty: company lifetime guarantee.
- Sizing method: only the neck is sized; the body and shoulder remain unchanged.
- Weight: 0.51.
- Shipping weight: 0.51.
This neck expander die provides a focused, dependable tool for reloaders who value consistent seating and prolonged brass life. Its neck-only sizing and robust construction make it a practical addition to a handgun reloading bench or toolkit for regular use.









