Cowboy action handgun load data vs other handgun load data

[schuetzen]

I was looking for some loading data for some specific lead cast bullets that led me to the following powder mfg website.  One the webpage the data is divided between "Cowboy Action Handgun Load Data", "Pistol/Revolver Load Data" and "Rifle Load Data."  I understand the significance between handgun load data and rifle load data.  What is the significance of differentiating the "Cowboy Action Handgun Load Data"?

See bottom of following page:
http://www.alliantpowder.com/reloaders/index.aspx

[woodchukhntr]

The cowboy loads do not need to have much power, but they still need a degree of accuracy, so they are loaded to lower velocities than standard ammunition.

[stimpylu32]

Another thing with CBA loads is that sometimes there is a limit on the impact energy of those loads , because of the ranges that their shot at . ( very close range ) also they are designed for low recoil due to the type of shooting . ( rapid fire & quick draw )

stimpy