Aren't 10mm & .40 S&W the Same?
This video compares the 10mm Auto and .40 S&W pistol cartridges, highlighting their historical connection and performance differences. The 10mm, developed in the 1980s, offers higher velocity and energy, while the .40 S&W was created by the FBI as a reduced-power derivative due to recoil concerns. Although .40 S&W's popularity is waning, 10mm remains a potent, albeit niche, option.









