Then lets assume during a daring raid into an old Army Ammunition Plant, I was able to the dies and some of the basic machinery to cast the larger rounds.
By using this information I think it would be a great side adventure....
http://www.jmc.army.mil/FactSheets/FactSheets.asp
Question is, would the local MILGOV/CIVGOC forces be smart enough to pull that sort of machinery out or would they just "take the ammo and run"?