Thank you everyone for the help so far. I have sent my holster off to Jerry in CO to see what magic he can work with it. In the meantime, I got the pistol back from the gunshop after they cleaned it and ran several of the 7.65 rounds through it.
Looks good, but before shooting it I'm a little concerned about the magazine. The spring is original, so I'm not sure how it will react cycling through several series of targets. I've ordered some of the Fiocchi FMJ (plus some soft point boxes) from another dealer who carries them locally. Should be here by the end of the week. I asked him if he knew of any company that produced replacement magazines that would fit my 30 Luger. He said he didn't offhand, but would check. He sent me the following link:
http://www.ammoclip.com/L/luger_main.htm
Have any of you dealt with this company? Do you have any alternatives that I might look into?
Kirk