This is for a revolver with a long oal.
I'd start at 3.0gr of Sport Pistol powder.
Name: 9mm: 147gr Blue RN: Sport Pistol 3.15gr: OAL 1.190: S&W 929
Notes: S&W 929 5"
Shots: 7
Average: 852 ft/s
SD: 12 ft/s
Min: 832 ft/s
Max: 871 ft/s
Spread: 39 ft/s
Power Factor Average: 125
Power Factor Low: 122
Power Factor High: 128
Barometric Pressure: 30 in Hg
Temperature: 65F
Bullet Weight: 147
Powder/Wt: Sport Pistol 3.15gr
Bullet/Wt: Blue 147gr RN
C.O.A.L.: 1.190
Primer: Fed SPP
Case: Federal
Gun: S&W 929