I'm able to only echo that. A person may be "improved" than the opposite depending on the requirements. Typically, the 9mm has my vote and I personal far more 9mm handguns than .40S&W. My two PPCs also are 9mm (Sub2000 & CX4). That said, I do such as 40 S&W loads and just bought a Beretta APX that I really like.The R7 Mako is a superb and reputable