Guest,
Let me clarify my previousr post. I was riding in a van and typing on my iPhone while coming home from a deer hunting trip. Also working from memory - always scary. The
.38-56 is a necked cartridge. See the link.
http://www.loaddata.com/members/search_printable.cfm?
metallicid=2691&MW=&PM=&PT=
Here is the same for the .38-55.
http://www.loaddata.com/members/search_detail.cfm?
metallicid=1516&caliber=.38&caliberid=20&header=.38%
20Caliber%20Reloading%20Data
The .38-55 is a straight brass cartridge. As a result they ARE NOT INTERCHANGEABLE!
Sorry for the confusion.
I'll have to try not to do this at 70mph on the phone
2bit