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Old October 7, 2012, 05:35 PM   #13
Clifford L. Hughes
Senior Member
 
Join Date: February 24, 2011
Location: Southern Californis
Posts: 795
Most case neck stretching is from pulling the expander ball through the case neck. My method to deal with this is to polish the expander. After the polishing I clean the case necks with a bronze brush and then spray the inside of them with Hornady's one shot case lube. I usually get three to four loads before my cases need trimming.

Semper Fi.

Gunnery Sergeant
Clifford L. Hughes
USMC Retired
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