The key to full length resizing of bottle neck rifle cases lies in using the proper tools..

There are several tools available today that allow precise measurement of critical fired shell casing dimensions. My favorite is the Redding "Instant Indicator". Sorry to keep mentioning this brand, but they do manufacture some terrific products. The Instant Indicator is no exception.

This excellent tool allows you to measure brass fired from your rifle(s) and then properly adjust your resizing die(s) for precise chamber fit of your reloads. The result is improved ballistic accuracy, minimum brass working, and more reliable chambering. If you use several firearms chambered for the same bottle neck cartridge, then measure shells fired from each and set up your resizing die for the tightest of the chambers.

For best results, the Instant Indicator should be left set up on a separate press, until all of your measurements are complete. Alternatively, you may install and leave the unit in place at one die position of a turret press. Securing the resizing die locking rings, with the included set screw, will allow retention of your die adjustment(s). If your die rings don't lock, you need to acquire some that do.

The list price of this item is relatively high, but shopping around can be significantly rewarding.

http://www.redding-reloading.com/pages/instantind.html


Bob