[Janq]

Go to the following URL and select the caliber then bullet weight to get said results;
http://www.handloads.com/misc/stoppingpower.asp

"Diameter and Penetration are the average from bullets recovered in actual shootings. All data taken from Evan Marshall and Ed Sanow's book: Stopping Power: A Practical Analysis of the Latest Handgun Ammunition and used with permission from the author."

- Janq

 

[jamz]

Wow, very cool link. Gives you something to consider when purchasing your defensive ammunition.

 

[Draken]

Very good link and great for people to know about, esp how they break it down.