If this is the case, then it is an engineering issue and should be addressed by the manufacturer. Some things you can scale up or down linearly, but some things you can't.The Annoyed Man wrote: I think that the .40 S&W cartridge is harder on pistol frames than either the 9mm or the .45 ACP. Combine that with the fact that .40 caliber pistols tend to use the same frame, slide, trigger group, and other components (except for the actual barrel) designed for their less powerful 9mm siblings; while usually the same pistol design...
Good post TAM.