Does anybody know where I could purchase (or have made) some auxiliary cartridge adapters to shoot the following calibres?

9mm Makarov in a 9.3x62mm
9mm Makarov in a 9.3x64mm Brenneke
.45 Colt in a .450 3 1/4" NE

Thanks for the help.

You'll have to dig into this site, or maybe contact the guy:

http://alexcartridge.com/cntrfire.htm

Try Ace Dube in Alaska, www.mcace.com.