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Message: <blockquote data-quote="dennishoddy" data-source="post: 3053103" data-attributes="member: 5412">And Penetration in gel?The same "miracle" advancement in 9mm that seems to make everybody say its equal to a 5" howitzer, has been carried over to the larger calibers. They didn't stop making advancements in .45 after ball ammo was in vogue.I've always tried to consider all factors. Speed, construction and kenetic energy. All things considered, equally say like a 115 grain 9mm SST, 185 grain .40 SST and a 230 grain SST, a reloader can just about equal the velocity of the 9mm and the .40 shooting from a gun that can handle higher pressures. In that case, the nod IMHO would have to go to the .40 as kenetic energy will carry it further and enable it to penetrate through clothing and bone. The .45 using ball has been around forever, like the 9mm. I've always thought of it as like throwing a piece of pea gravel at someones chest as hard as you can vs a cantelope casually thrown at the chest. I'm betting the person getting hit by the cantelope is going to feel it a whole lot more than the piece of pea gravel thrown at a higher speed. Kenetic energy..I know that is a wild analogy, but its just to illustrate a point. I'm not discussing why higher round count is important, only the ballistics of one bullet vs another bullet.I've killed two does with a .45ACP 1911, and they died just as quick as a rifle shot.</blockquote>