I can only echo that. 1 could possibly be "greater" than the opposite based on the criteria. Generally, the 9mm has my vote And that i possess much more 9mm handguns than .40S&W. My two PPCs are 9mm (Sub2000 & CX4). Having said that, I do similar to the 40 S&W a good deal and just bought a Beretta APX that I really like.Searching for a devoted have