Great post & dang good question. You say 200gr .40 SST's hit like Thors hammer....... I've seen them pencil thru - twice in a row. I'll run a cpl thru my chrony next time at my bench. I'm curious about the MV myself. I did switch to Dead Center 220gr .40's in LBCR's with the same charge & boy they really do hit hard, but without " overkill ". A lil pricey, but dang, I do love them bullets & aint gonna change them now. The exact same shot placement with the 220gr dead centers as with the 200gr SST's - world of difference.