The XL powder die is necessary for the larger diameter cases, including 500 S&W, 50 AE, the WSM and WSSM family of cartridges, the RUM and RSAUM family of cartridges, .378 Weatherby and up, .338 Lapua, and 416 Rigby.
For warranty information or technical help please contact Dillon directly.
It helps them if you can be in front of your machine when calling if the question is about your machine.
Open 7-6, Monday-Friday; 8-3 Saturday MST
Call Toll Free 800-762-3845 or 480-948-8009
Fax 480-998-2786
E-mail Technical Questions to: tech@dillonprecision.com
Dillon Precision Products, Inc.
8009 East Dillon's Way
Scottsdale, AZ 85260 U.S.A.