I don't understand the concept of a .44mag or larger in a handgun for self defense. No way I could double tap that. If you want serious momentum, then 45-70 in a guide gun would be more viable imho.
Taking the comments to heart, I'm thinking this might be a reasonable way to go.
http://gunbroker.com/Auction/ViewItem.asp?Item=124992402
Sorry guys, I like blued guns...
