More of a ballistics question/load question. 3 rounds...best choice.
3" barrel +p rated Hellcat.
1. Federal Hi-Shok 147gr jhp 9MS
2. Federal Punch 124gr jhp PD9P1
3. Winchester M1153 147gr jhp
That's the extent of my on hand 9mm ammo. Getting to the range in the near future is problematic...