Good luck finding a defination of stopping power!
You can find much data on the web on the penetration and expansion of different cartridges from different length barrels. Minimum of 12" penetration is paramount. Reliable expansion is next on the list. Locate the data for your barrel length.
Here's a good place to start: Portland Police Department 2002 Ammunition Report
-- Chuck
You can find much data on the web on the penetration and expansion of different cartridges from different length barrels. Minimum of 12" penetration is paramount. Reliable expansion is next on the list. Locate the data for your barrel length.
Here's a good place to start: Portland Police Department 2002 Ammunition Report
-- Chuck