Redding Competition Seating Dies deliver the precision and accuracy preferred by the most discriminating handloaders. Now you can easily covert your conventional seating die to a precision micrometer seating die for use with STD (standard) bullets for precise, repeatable bullet seating depths to within 1/1000th of an inch and potential world-record accuracy. Designed for all seating dies that use a seat plug with ½-20 threads. Easily changes from one die to another, just match the number on your current seating plug to the corresponding bullet seating micrometer number.
View Redding Micrometer Reference Chart here.
Sinclair, Issue:5B, Page:043