Welcome, jbyerly, to the wonderful world of reloading! This forum is a great resource to avail yourself of and there are many helpful enthusiasts who will happily help.
Here is a chart with some shellholder info that will show you what goes with what. (You'll need to scroll down aways...)
http://www.leeprecision.com/html/cat...l#Shellholders
Yoosta B. Blue