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Neck sizing is 1970's technology, people still do it and believe it is "The way" to do things just because it worked back then. Today we have every component better including better brass, and better dies.
People believe that you get longer brass life out of neck sizing, the fact is it is not true. What actually happens is the opposite. Because the brass is not exercised like it is in full length sizing, it blows out of size and gets hard,then the brass builds up a memory, and when you go to full length size the brass it moves and springs back to the shape it was prior to sizing. So it is defeating the purpose to body or full length size it.
With Full length sizing the brass will last the life of the barrel, and even longer. Because we have better brass, the life span is not an issue as it was a time ago.
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