Green Dot in .44 Magnum
For 30 years my medium .44 Mag load has been a 250 Keith SWC of 10 to 12 Brinell hardness over 8.4 grains of Green Dot. 1025 fps from a 4" model 29. Any lube that is gooey. Enough oomph that you know you are shooting a big bore yet not enough to be uncomfortable...