I have done extensive Ransom Rest testing of 9mm ammo and guns at 50 yards. Here are my top finds in order of accuracy.
Hornady 115gr XTP
Hornady 124gr XTP
Hornady 121gr HAP (old bullet i don't think they make anymore)
Hornady 115gr HAP / Zero 115gr Conical jhp
hornady 147gr XTP
powder
VV330 best
VV320 2nd
WSF 3rd
Yes I shoot a 9MM for centerfire. As a matter of fact the first year at Camp Perry that they had 2 man teams my partner and I won the 2 Man Centerfire Team National Championship with my Rock River Arms 9mm 1911. JP