L.E. Wilson Mandrel Neck Sizing Die Testing Review... It Works! 13Feb2022
Did some actual testing using the die on some fired and resized 223 brass today! For the type of reloading I plan to do which is generally to SAAMI specs this mandrel die performed well for me. Came in at about .221" - .222" neck sizing for about .002"-.003" neck tension which was the goal.

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L.E. Wilson Neck Tension Sizing Mandrel Die Review! 07Feb2022

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