Back when I lived in Wyoming, I hand loaded 9mm+P brass, and 147gr Gold Dots to 1150fps from a Sig P226. Never used it on an animal, but it would punch through 1/8" steel flooring(like those used in stairs), 8"x 8" pressure treated wood, and fully expanded while penetrating through 6 1-gallon jugs of water. I never came across a service caliber and load that had the level of penetration with a JHP. Full power .357magnum loads on the other hand would leave it in the dust.....