BrBa.

Yeah that's what I was thinking. 147 gr 9mm and 180 gr .40 have nearly the same sectional densities (0.167 vs 0.161), so I would give...

I would be curious to see what would penetrate more, a 147 gr FMJ flat point at 1250 fps (357 Sig) or a 180 gr FMJ flat point at 1100...