I'm able to only echo that. Just one may be "much better" than the other according to the criteria. Generally, the 9mm has my vote And that i possess more 9mm handguns than .40S&W. My two PPCs are also 9mm (Sub2000 & CX4). That said, I do such as the forty S&W lots and just acquired a Beretta APX that I really like.As While using the weather compar