BEST SIG SAUER - AN OVERVIEW

I can only echo that. Just one may be "much better" than the other depending upon the requirements. Typically, the 9mm has my vote and I own far more 9mm handguns than .40S&W. My two PPCs will also be 9mm (Sub2000 & CX4). That said, I do such as 40 S&W plenty and just purchased a Beretta APX that I really like.Most 1st shots are lethal considering