My IMR manual ( check Hodgdons web site ) show 3031 for several bullets. Velocities are all below 2000 and show compressed loads. Best velocities are with 4227 and 4198. Any way here it goes:
1.800 COL 45 gr. Rem PSP 7-1/2BR primer
3031 17.8C 2015 26800
1.825 COL 50 gr. Rem PSP 7-1/2BR primer
3031 17.8C 1960 28200
1.825 COL 55 gr. Rem PSP 7-1/2BR primer
3031 16.8C 1900 28000
1.825 COL 60 gr. Rem PSP 7-1/2BR primer
3031 16.1C 1770 23600
3031 is my favorite but I'd think 4198 would be a better choice. Darn, I thought 3031 would be great for everything
1.800 COL 45 gr. Rem PSP 7-1/2BR primer
4198 17.7C 2575 44500
1.825 COL 50 gr. Rem PSP 7-1/2BR primer
4198 16.7C 2380 44000
1.825 COL 55 gr. Rem PSP 7-1/2BR primer
4198 16.4C 2315 51700
* probable misprint1.825 COL 60 gr. Rem PSP 7-1/2BR primer
4198 15.7C 5124 37100
* probable misprintAll data if from the IMR Handgun Manual.