The Collet Neck sizing die is used on your resizing your cartridge case neck to exact measurements. It functions by using a Collet to squeeze against a precision mandrel, creating a precisely aligned case neck for a perfect bullet fit while reducing run out.
Sizes only the neck and requires no lubrication.
Features & Specifications:
- Calibre - 243 Winchester
- Includes Collet Neck Sizing Die Only
- Thread - 7/8-14""
- Manufactured in the USA