Straighten the situation mouth by inserting it partly to the sizer die and permitting the expander ball to straighten the brass. You should definitely lubricate the case neck Within the case mouth to help keep it from stretching. Hornady Customized whole duration sizing die designed resizing lubed conditions straightforward, but https://jarednstut.verybigblog.com/26555875/17-hornet-brass-can-be-fun-for-anyone