Lee Precision

Custom Collet Neck sizing die 1 1/4x12" (large series) thread.

Neck sizing die uses a steel collet to squeeze fired case to a precision mandrel, creating a precisely aligned case neck while reducing run out. Results in best accuracy and extended case life. Sizes just the neck and requires no case lubrication. Recommended for cases that have been fired through your firearm only.

Please indicate required fields below. You will need a fired piece of brass to measure. For assistance in determining the dimensions, please view this document. View cartridge listing for shell holder assignment, view list here.

If you need assistance populating dimensions, please mail your two fired cases and sample bullet into the factory to the address below, we can then measure and place the order for you.

Custom powder through expanding plug.