Only two loads that I used when I had a 99EG (24" bbl)

150gr Hornady SP
40gr H-4895
WLR primers
R-P hulls
2550 fps

Same as above but;
41gr Ramshot TAC
2660 fps

Both loads shot 1" at 100 yards for three shots.

Karma and Trouble have busses, and there's always an empty seat.