AKElroy
Member
I know Marshall and Sanow's work shooting goats is often maligned, but it does as good a job as any in making some sound comparisons. There is not much difference in actual effectiveness between the 9mm, .40, .45 and .357. That is NOT the case with the .380 and lesser loads.
http://www.chuckhawks.com/handgun_power_chart.htm
http://www.chuckhawks.com/handgun_power_chart.htm