Hi there,
7.65mm Parabellum.....a lot more accurate that 9mm in my book !! A 1900 AE gave me 1 1/2 in. groups @ 50 yds !! 9mm doesnt even come close....
Around here the only available bullet is Hornady 90gr XTP....You can try smooth & accurate loads like 5.0gr HP38 / W231 or for a real BANG : 7.5gr Blue dot ( carefull on that one ! ) W-W Cases & WSP Primers.
In all respect to other fine firearms, 30 Luger Cal. is a real pleasure to shoot & gives accuracy levels that few handguns ( old & modern ) can accomplish...
Just from my little experience....
Good reloading !!
Mark