People that carry .45acp are not gonna like the outcome if the bad guy has layers of clothes on.....just no penetrating power......keep your .40 to do the hard work.http://www.youtube.com/watch?v=ixnTDXg9 ... re=related
Uncontrolled testing, is hardly worth publishing,... and, most certainly isn't worth making a judgement that involves real world tests with personal injury consequences. A trail pard of mine has been in most conflicts, from Nam to Cuba and Panama, in his 23 year CIA and 27 Army Ranger career. He carried an old family passed down german luger (9mm) and a 1911 Auto Ordinance. He has four or five bullet wound scars and three or four knife/bayonet scars,... he has been there and done it!! We have talked about the 9mm vs 45acp for years, and, bottom line,... he says, on average, it usually takes two 9's , to, 0ne 45acp to drop an attacker, when you do your part. I trust his opinion.
I don't believe it is rocket science that an icepick will penetrate what a sledgehammer won't. Personally, I don't wish to be hit by either.
Yes, a smaller diameter projectile, at a substantial increase in feet per second, more, than a larger diameter projectile,.. will, in most instances PENETRATE better. But, one must never forget about heavier weight slugs and the momentum they create. Now, rather than compare apples to oranges,... let's put a 124 gr. cartridge in a 45acp and boost it up to 1,150FPS and see what penetration differences there are. Or, if you wish,... put a 230gr. @850fps in a 9mm, and see what we get!
All in all, I believe they both do what they were designed to do,... equally.
The 9mm vs 45acp dilemma,... will it ever end?
happy with both calibers,
p.s. as I have posted in the past,... I believe the 40S&W, in a heavy weight slug, is superior in performance, to both 9mm and 45acp,... in a carbine length barrel.