Making a Custom Case-Neck Expander Die

Sometimes the gunsmith is the one to turn to for those hard-to-find items…especially precision parts that require special lathe work, even for the handloader.
by Norman E. Johnson

Reworking case necks to accept larger-diameter bullets is a procedure often performed by handloaders. This is particularly true for the wildcat cartridge aficionado who sometimes needs a case neck expanded up a few calibers. This was the issue when sizing a 243 Winchester Super Short Magnum case neck to 6.5mm (.264) diameter. Each caliber increment in case neck diameter normally requires passing of a different expander-button through the case mouth. There is a better way.


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